APA (7th ed.) Zitazioa

Labovitz, S. Introduction to social research. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Labovitz, Sanford. Introduction to Social Research. NewYork: McGraw-Hill.

MLA (9th ed.) Zitazioa

Labovitz, Sanford. Introduction to Social Research. McGraw-Hill.