Gaya APA

Kusumastuti, ., Merriam, S, B. (1998). Qualitative Research And Case Study Applications Education: Revised And Expanded From Case Study Research In Education . San Francisco: Jossey-Bass Pub..

Gaya MLA

Kusumastuti, ., Merriam, Sharan, B.. "Qualitative Research And Case Study Applications Education: Revised And Expanded From Case Study Research In Education". San Francisco: Jossey-Bass Pub., 1998. Text.