Cita APA (7th ed.)

Pough,F.H, & Heiser, B. J. (1996). VERTEBRATE LIFE (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Pough,F.H, i B. J. Heiser. VERTEBRATE LIFE. 4th ed. New Delhi: Prentice-Hall, 1996.

Cita MLA (9th ed.)

Pough,F.H, i B. J. Heiser. VERTEBRATE LIFE. 4th ed. Prentice-Hall, 1996.