From 9f6b3fd60bfcced4513c1af2503d352f3ad5d8c9 Mon Sep 17 00:00:00 2001
From: Josh Gao <josh_gao@foxmail.com>
Date: Sun, 9 Apr 2023 11:55:16 +0800
Subject: [PATCH] add references to several posts

---
 source/_posts/2023-04-08-oxford-5000-pitch.md | 6 ++++++
 source/_posts/2023-04-09-oxford-5000-a-an.md  | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/source/_posts/2023-04-08-oxford-5000-pitch.md b/source/_posts/2023-04-08-oxford-5000-pitch.md
index 2b26b07..2d7d2ce 100644
--- a/source/_posts/2023-04-08-oxford-5000-pitch.md
+++ b/source/_posts/2023-04-08-oxford-5000-pitch.md
@@ -606,3 +606,9 @@ date: 2023-04-08 00:04:11
 {% endnote %}
 
 - You can't just pitch up and expect to get in without a ticket.你可不能说来就来，还想无票入场。
+
+# Reference
+
+1. Diana Lea, Jennifer Bradbery. *Oxford Advanced Learner's Dictionary, 10th edition.* Oxford University Press, 2020.
+
+2. Margaret Deuter, Jennifer Bradbery, Joanna Turnbull. *牛津高阶英汉双解词典，第 9 版.* 商务印书馆, 2018.
diff --git a/source/_posts/2023-04-09-oxford-5000-a-an.md b/source/_posts/2023-04-09-oxford-5000-a-an.md
index c20ab4d..72aea07 100644
--- a/source/_posts/2023-04-09-oxford-5000-a-an.md
+++ b/source/_posts/2023-04-09-oxford-5000-a-an.md
@@ -703,3 +703,11 @@ a house with very steep sides that meet at the top in the shape of the letter A
     - the one and *a* quarter feet
 
     但习惯上这种多用的 a 可说是不可少的，省去了反而觉得不自然。
+
+# Reference
+
+1. Diana Lea, Jennifer Bradbery. *Oxford Advanced Learner's Dictionary, 10th edition.* Oxford University Press, 2020.
+
+2. Margaret Deuter, Jennifer Bradbery, Joanna Turnbull. *牛津高阶英汉双解词典，第 9 版.* 商务印书馆, 2018.
+
+3. 葛传椝. *葛传槼英语惯用法词典.* 上海译文出版社, 2012.