Dyfyniad APA

Ford, B. G. (2013). No more biting for billy goat! Boxer Books.

Dyfyniad Arddull Chicago

Ford, Bernette G. No More Biting for Billy Goat! [S.I.]: Boxer Books, 2013.

Dyfyniad MLA

Ford, Bernette G. No More Biting for Billy Goat! Boxer Books, 2013.

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