ROGER , A. (1997). YELLOW HIPPO: LITTLE GIANT SERIES.
Chicago Style (17th ed.) CitationROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.
MLA引文ROGER , ALAN. YELLOW HIPPO: LITTLE GIANT SERIES. 1997.
警告：這些引文格式不一定是100％准確.
APA引文