APA (7th ed.) Zitazioa
Elifson, K. (1990). Fundamentals of social statistics (2nd.ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Elifson, Kirk. Fundamentals of Social Statistics. 2nd.ed. Boston: McGraw-Hill, 1990.
MLA (9th ed.) Zitazioa
Elifson, Kirk. Fundamentals of Social Statistics. 2nd.ed. McGraw-Hill, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.