PHILLIPS, B. (1985). Sociological research methods: An introe. Dorsey Pr..
Cita Chicago (17th ed.)PHILLIPS, Bernard. Sociological Research Methods: An Introe. Homewood, Ill.: Dorsey Pr., 1985.
Cita MLA (9th ed.)PHILLIPS, Bernard. Sociological Research Methods: An Introe. Dorsey Pr., 1985.
Atenció: Aquestes cites poden no estar 100% correctes.