克利夫兰 & 宋伟. (2018). 按需知密: Need to know. 湖南文艺出版社.
Chicago Style aipamena克利夫兰 and 宋伟. 按需知密: Need to Know. 湖南文艺出版社, 2018.
MLA aipamena克利夫兰 and 宋伟. 按需知密: Need to Know. 湖南文艺出版社, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena