Dyfyniad APA

Fox, M., & Argent, K. (1999). Sleepy bears (1st U.S. ed.). Harcourt Brace.

Dyfyniad Arddull Chicago

Fox, Mem, and Kerry Argent. Sleepy Bears. 1st U.S. ed. San Diego: Harcourt Brace, 1999.

Dyfyniad MLA

Fox, Mem, and Kerry Argent. Sleepy Bears. 1st U.S. ed. Harcourt Brace, 1999.

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