ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE THREE BILLY GOATS GRUFF (2004.). ALLIGATOR BOOKS PUBLISHING HOUSE.
芝加哥风格引文ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE THREE BILLY GOATS GRUFF. 2004. LONDON: ALLIGATOR BOOKS PUBLISHING HOUSE.
MLA引文ALLIGATOR BOOKS. CLASSIC FAIRY TALES - THE THREE BILLY GOATS GRUFF. 2004. ALLIGATOR BOOKS PUBLISHING HOUSE.
警告：这些引文格式不一定是100％准确.