Dyfyniad APA

Cronin, D., & Bliss, H. (2003). Diary of a worm. Joanna Cotler Books.

Dyfyniad Arddull Chicago

Cronin, Doreen, and Harry Bliss. Diary of a Worm. New York: Joanna Cotler Books, 2003.

Dyfyniad MLA

Cronin, Doreen, and Harry Bliss. Diary of a Worm. Joanna Cotler Books, 2003.

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