金贝克 & 杨香芸. (2007). 我错了: I was wrong. 宁夏人民出版社.
Chicago Style aipamena金贝克 and 杨香芸. 我错了: I Was Wrong. 宁夏人民出版社, 2007.
MLA aipamena金贝克 and 杨香芸. 我错了: I Was Wrong. 宁夏人民出版社, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena