Schmidt-Nielsen, K. (1964). Animal physiology (2d ed.). Prentice-Hall.
Cita Chicago (17th ed.)Schmidt-Nielsen, Knut. Animal Physiology. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1964.
Cita MLA (9th ed.)Schmidt-Nielsen, Knut. Animal Physiology. 2d ed. Prentice-Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.