Dyfyniad APA

BAY BOOKS SYDNEY. (1972). Encyclopedia of the animal world 4: Bumble bees - chimpanzee. BAY books Sydney.

Dyfyniad Arddull Chicago

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 4: Bumble Bees - Chimpanzee. Sydney: BAY books Sydney, 1972.

Dyfyniad MLA

BAY BOOKS SYDNEY. Encyclopedia of the Animal World 4: Bumble Bees - Chimpanzee. BAY books Sydney, 1972.

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