Citazione APA

Lewis-Beck, M. S. (2004). Sage encyclopaedia of social science research methods Vol II(Reference). Sage.

Stile di citazione Chicago

Lewis-Beck, Michael S. Sage Encyclopaedia of Social Science Research Methods Vol II(Reference). Thousand oaks: Sage, 2004.

Citazione MLA

Lewis-Beck, Michael S. Sage Encyclopaedia of Social Science Research Methods Vol II(Reference). Sage, 2004.