Dyfyniad APA

Viorst, J., & Chorao, K. (1988). The good-bye book. Atheneum.

Dyfyniad Arddull Chicago

Viorst, Judith, and Kay Chorao. The Good-bye Book. New York: Atheneum, 1988.

Dyfyniad MLA

Viorst, Judith, and Kay Chorao. The Good-bye Book. Atheneum, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.