Cita APA (7th ed.)

Wallace, R. B. D. (1998). Public health & preventive medicine. Prentice- Hall International INC.

Cita Chicago (17th ed.)

Wallace, Robert B. Doebbeling. Public Health & Preventive Medicine. USA: Prentice- Hall International INC, 1998.

Cita MLA (8th ed.)

Wallace, Robert B. Doebbeling. Public Health & Preventive Medicine. Prentice- Hall International INC, 1998.