Cita APA (7a ed.)

Willis, J. (2007). Foundations of qualitative research: Interpretive and critical approaches. SAGE Publ.

Cita Chicago Style (17a ed.)

Willis, Jerry. Foundations of Qualitative Research: Interpretive and Critical Approaches. Thousand Oaks, Calif. [u.a.]: SAGE Publ, 2007.

Cita MLA (9a ed.)

Willis, Jerry. Foundations of Qualitative Research: Interpretive and Critical Approaches. SAGE Publ, 2007.