Gaya APA

Merriam, S, B., Tisdell, E, J. (2016). Qualitative Research : A Guide To Design And Implementation (Ed. 4). United States America: Jossey-Bass Publishers.

Gaya MLA

Merriam, Sharan, B.., Tisdell, Elizabeth, J.. "Qualitative Research : A Guide To Design And Implementation". Ed. 4 United States America: Jossey-Bass Publishers, 2016. Text.