APA (7th ed.) Zitazioa

Polgar, S., & Thomas, S. (2020). Introduction to Research in the Health Sciences (7th ed.). Elsevier.

Chicago Style (17th ed.) Zitazioa

Polgar, Stephen, eta Shane Thomas. Introduction to Research in the Health Sciences. 7th ed. New York: Elsevier, 2020.

MLA (9th ed.) Zitazioa

Polgar, Stephen, eta Shane Thomas. Introduction to Research in the Health Sciences. 7th ed. Elsevier, 2020.