APA aipamena

Kinney,Jeff. (2009). Diary of a wimpy kid; the Last straw. Penguin.

Chicago Style aipamena

Kinney,Jeff. Diary of a Wimpy Kid; the Last Straw. UK: Penguin, 2009.

MLA aipamena

Kinney,Jeff. Diary of a Wimpy Kid; the Last Straw. Penguin, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.