贝森 & 曾谙. (2012). 不离不弃是朋友: Got your back:dealing with friends and enemies. 北京师范大学出版社.
Chicago Style aipamena贝森 and 曾谙. 不离不弃是朋友: Got Your Back:dealing with Friends and Enemies. 北京师范大学出版社, 2012.
MLA aipamena贝森 and 曾谙. 不离不弃是朋友: Got Your Back:dealing with Friends and Enemies. 北京师范大学出版社, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.