Dyfyniad APA

BAY BOOKS SYDNEY. (1972). Encyclopedia of the world animal 16: Platypus - rhea. BAY books Sydney.

Dyfyniad Arddull Chicago

BAY BOOKS SYDNEY. Encyclopedia of the World Animal 16: Platypus - Rhea. Sydney: BAY books Sydney, 1972.

Dyfyniad MLA

BAY BOOKS SYDNEY. Encyclopedia of the World Animal 16: Platypus - Rhea. BAY books Sydney, 1972.

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