Cita APA (7th ed.)

Scutchfield, F. D., & Keck, C. W. (2009). Principles of public health practice (3rd ed.). Delmar, Cengage Learning.

Cita Chicago (17th ed.)

Scutchfield, F. Douglas, i C. William Keck. Principles of Public Health Practice. 3rd ed. Clifton Park, NY: Delmar, Cengage Learning, 2009.

Cita MLA (8th ed.)

Scutchfield, F. Douglas, i C. William Keck. Principles of Public Health Practice. 3rd ed. Delmar, Cengage Learning, 2009.