Feduccia, A., & McCrady, E. (1991). Torrey's morphogenesis of the vertebrates (5th ed.). J. Wiley.

Feduccia, Alan, and Edward McCrady. Torrey's Morphogenesis of the Vertebrates. 5th ed. New York: J. Wiley, 1991.

Feduccia, Alan, and Edward McCrady. Torrey's Morphogenesis of the Vertebrates. 5th ed. J. Wiley, 1991.