APA aipamena

ROGER , A. (1997). YELLOW HIPPO: LITTLE GIANT SERIES.

Chicago Style aipamena

ROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.

MLA aipamena

ROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.