APA (7th ed.) Zitazioa
Royse, D. D. (1995). Research methods in social work (2nd ed.). Nelson-Hall.
Chicago Style (17th ed.) Zitazioa
Royse, David D. Research Methods in Social Work. 2nd ed. Chicago: Nelson-Hall, 1995.
MLA (9th ed.) Zitazioa
Royse, David D. Research Methods in Social Work. 2nd ed. Nelson-Hall, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.