纪立宇. (2008). 幸福就在嘴巴上: Happiness in the mouth. 崇文书局.
Chicago Style aipamena纪立宇. 幸福就在嘴巴上: Happiness in the Mouth. 崇文书局, 2008.
MLA aipamena纪立宇. 幸福就在嘴巴上: Happiness in the Mouth. 崇文书局, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena