丛日云 & 庞金友. (2011). 西方政治思想史方法论研究: Methodology studies on the history of western political thoughts. 社会科学文献出版社.
Lua i Stíl Chicago (17ú heag.)丛日云 agus 庞金友. 西方政治思想史方法论研究: Methodology Studies on the History of Western Political Thoughts. 社会科学文献出版社, 2011.
Lua MLA (8ú heag.)丛日云 agus 庞金友. 西方政治思想史方法论研究: Methodology Studies on the History of Western Political Thoughts. 社会科学文献出版社, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.