Griffiths, M., & Nichols, I. J. (1981). Introduction to human physiology (2nd ed.). Macmillan ; Collier Macmillan.

Griffiths, Mary, and Iris J. Nichols. Introduction to Human Physiology. 2nd ed. New York : London: Macmillan ; Collier Macmillan, 1981.

Griffiths, Mary, and Iris J. Nichols. Introduction to Human Physiology. 2nd ed. Macmillan ; Collier Macmillan, 1981.