Cita APA (7th ed.)

Corbetta Piergiorgio. (2003). Social Research Theory ,Methods And Techniques. SAGE.

Cita Chicago (17th ed.)

Corbetta Piergiorgio. Social Research Theory ,Methods And Techniques. London: SAGE, 2003.

Cita MLA (9th ed.)

Corbetta Piergiorgio. Social Research Theory ,Methods And Techniques. SAGE, 2003.