G.M., J., B., L., M., D.(2007).Reproductive biology and pylogeny of cetacea: whales, dolphins and porpoises vol.7 .Enfield:NATO Scientific Affair Division.
Gaya MLA
Jamieson, Barrie, G.M.., Miller, Debra, L.."Reproductive biology and pylogeny of cetacea: whales, dolphins and porpoises vol.7".Enfield:NATO Scientific Affair Division,2007.Textbook.