APA (7th ed.) Zitazioa
Lucy, T. (2002). Quantitative techniques (6th ed.). South-Western.
Chicago Style (17th ed.) Zitazioa
Lucy, Terry. Quantitative Techniques. 6th ed. Australia: South-Western, 2002.
MLA (9th ed.) Zitazioa
Lucy, Terry. Quantitative Techniques. 6th ed. South-Western, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.