APA (7. basım) Alıntı

Barker, D. B. (1976). Practical epidemiology (2nd.). Churchill livingstone.

Chicago Style (17. basım) Atıf

Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Singapore: Churchill livingstone, 1976.

MLA (8th ed.) Atıf

Barker, D.J.P. Bennett. Practical Epidemiology. 2nd. Churchill livingstone, 1976.