APA (7th ed.) Zitazioa
Bryman, A. (1988). Quantity and quality in social research. Unwin Hyman.
Chicago Style (17th ed.) Zitazioa
Bryman, Alan. Quantity and Quality in Social Research. London ; Boston: Unwin Hyman, 1988.
MLA (9th ed.) Zitazioa
Bryman, Alan. Quantity and Quality in Social Research. Unwin Hyman, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.