Gaya APA

Merriam, S, B. (1998). Qualitative research and case study applications in education: revised and expanded from case study research in education . San Francisco: Jossey - Bass Publishers.

Gaya MLA

Merriam, Sharan, B.. "Qualitative research and case study applications in education: revised and expanded from case study research in education". San Francisco: Jossey - Bass Publishers, 1998. Text.