PHILLIPS, B. S. (1976). Social research: Strategy and Tactics. Macmillan.
Cita Chicago (17th ed.)PHILLIPS, Bernards S. Social Research: Strategy and Tactics. New York: Macmillan, 1976.
Cita MLA (9th ed.)PHILLIPS, Bernards S. Social Research: Strategy and Tactics. Macmillan, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.