杜桃柱. (2002). 科学养蜂问答. 中国农业出版社.
Chicago Style (17th ed.) Citation杜桃柱. 科学养蜂问答. 中国农业出版社, 2002.
MLA (8th ed.) Citation杜桃柱. 科学养蜂问答. 中国农业出版社, 2002.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation