Dyfyniad APA

Torrey, T. W., & Feduccia, A. (1979). Morphogenesis of the vertebrates (4th ed.). Wiley.

Dyfyniad Arddull Chicago

Torrey, Theodore W., and Alan Feduccia. Morphogenesis of the Vertebrates. 4th ed. New York: Wiley, 1979.

Dyfyniad MLA

Torrey, Theodore W., and Alan Feduccia. Morphogenesis of the Vertebrates. 4th ed. Wiley, 1979.

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