APA aipamena

Lobel, A. (1976). Frog and toad all year. Harper & Row.

Chicago Style aipamena

Lobel, Arnold. Frog and Toad All Year. New York: Harper & Row, 1976.

MLA aipamena

Lobel, Arnold. Frog and Toad All Year. Harper & Row, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.