Cita APA

Haynes, R. B., Sackett, D. L., Guyatt, G. H. 1., & Tugwell, P. (2006). Clinical epidemiology: How to do clinical practice research (3. edition.). Philadelphia: Lippincott Williams & Wilkins.

Citación estilo Chicago

Haynes, R. Brian, David L. Sackett, Gordon H. 1953- Guyatt, y Peter Tugwell. Clinical Epidemiology: How to Do Clinical Practice Research. 3. edition. Philadelphia: Lippincott Williams & Wilkins, 2006.

Cita MLA

Haynes, R. Brian, David L. Sackett, Gordon H. 1953- Guyatt, y Peter Tugwell. Clinical Epidemiology: How to Do Clinical Practice Research. 3. edition. Philadelphia: Lippincott Williams & Wilkins, 2006.