Phillips, B. (1966). Social research: Strategy & tactics. Macmillan & Co.
Chicago Style aipamenaPhillips, B. Social Research: Strategy & Tactics. New York: Macmillan & Co, 1966.
MLA aipamenaPhillips, B. Social Research: Strategy & Tactics. Macmillan & Co, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.