吕叔春. (2009). 关系学活学活用. 中国物资出版社.
Chicago Style (17th ed.) Citation吕叔春. 关系学活学活用. 中国物资出版社, 2009.
MLA (8th ed.) Citation吕叔春. 关系学活学活用. 中国物资出版社, 2009.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation