APA引文

Hunia, F. (1977). Billy goats gruff. Laybird Books.

Chicago Edition Citation

Hunia, Fran. Billy Goats Gruff. Loughborough: Laybird Books, 1977.

MLA引文

Hunia, Fran. Billy Goats Gruff. Laybird Books, 1977.

警告：這些引文格式不一定是100％准確.