戈尔. (2004). 心心相印: Joined at the Heart. 中国方正出版社.
Chicago Style aipamena戈尔. 心心相印: Joined at the Heart. 中国方正出版社, 2004.
MLA aipamena戈尔. 心心相印: Joined at the Heart. 中国方正出版社, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena