Dyfyniad APA

Pickrell, J., & Pajor-Markus, J. (2014). Flying dinosaurs: How fearsome reptiles became birds. NewSouth.

Dyfyniad Arddull Chicago

Pickrell, John, and Josephine Pajor-Markus. Flying Dinosaurs: How Fearsome Reptiles Became Birds. Sydney, New South Wales: NewSouth, 2014.

Dyfyniad MLA

Pickrell, John, and Josephine Pajor-Markus. Flying Dinosaurs: How Fearsome Reptiles Became Birds. NewSouth, 2014.

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