Young, J.Z.
The life of vertebrates / J.Z. Young
At The Clarendon Press, 1962
 Buku Teks
Hormones and reproduction of vertebrates
David O. Norris, Kristin H. Lopez, editor
Elsevier, 2011
 Buku Teks
Colbert, Edwin H.
Evolution of the vertebrates : a history of the backboned animals through time
John Wiley & Sons, 1980
 Buku Teks
Seabirds & other marine vertebrates: competition, predation
edited by Joanna Burger
Columbia University Press, 1988
 Buku Teks
Hormones and reproduction of vertebrates; Volume 4 : Birds
edited by David O. Norris, Kristin H. Lopez
Elsevier, 2011
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