Gaya APA

Ritchie, J., Lewis, J. (2014). QUALITATIVE RESEARCH PRACTICE : A Guide for Social Science Students & Researchers (II). Los Angeles: Sage Publications.

Gaya MLA

Ritchie, Jane., Lewis, Jane. "QUALITATIVE RESEARCH PRACTICE : A Guide for Social Science Students & Researchers". II Los Angeles: Sage Publications, 2014. Texts.