APA引文

Hunia, F. (1979). Heidi. Ladybird Books.

Chicago Edition Citation

Hunia, Fran. Heidi. Loughborough: Ladybird Books, 1979.

MLA引文

Hunia, Fran. Heidi. Ladybird Books, 1979.

警告：这些引文格式不一定是100％准确.