Cita APA (7th ed.)

Portney, L. G. (2009). Foundations of clinical research: Applications to practice (3rd edition.). Pearson/Prentice Hall.

Cita Chicago (17th ed.)

Portney, Leslie Gross. Foundations of Clinical Research: Applications to Practice. 3rd edition. Upper Saddle River, NJ: Pearson/Prentice Hall, 2009.

Cita MLA (9th ed.)

Portney, Leslie Gross. Foundations of Clinical Research: Applications to Practice. 3rd edition. Pearson/Prentice Hall, 2009.