APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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