Neuman, L. (2006). Social Reserch Metods. Univercity of wisconsin at whitewater.
Cita Chicago (17th ed.)Neuman, Lawrence. Social Reserch Metods. Univercity of wisconsin at whitewater, 2006.
Cita MLA (9th ed.)Neuman, Lawrence. Social Reserch Metods. Univercity of wisconsin at whitewater, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.