Dyfyniad APA

(2006). FACTS AT YOUR FINGERTIPS: MAMMALS. BROWN BEAR BOOKS.

Dyfyniad Arddull Chicago

FACTS AT YOUR FINGERTIPS: MAMMALS. USA: BROWN BEAR BOOKS, 2006.

Dyfyniad MLA

FACTS AT YOUR FINGERTIPS: MAMMALS. BROWN BEAR BOOKS, 2006.

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