Gaya APA

Strean, H, S., Freeman, L. (1988). Raising cain : how to help your children achieve a happy sibling relationsip . New York: Facts on File.

Gaya MLA

Strean, Herbert, S.., Freeman, Lucy. "Raising cain : how to help your children achieve a happy sibling relationsip". New York: Facts on File, 1988. Text.