Gaya APA

Strauss, A., Corbin, J. (1997). Basics of qualitative research : grounded theory procedures and techniques (1). USA: Sage Publications.

Gaya MLA

Strauss, Anselm., Corbin, Juliet. "Basics of qualitative research : grounded theory procedures and techniques". 1 USA: Sage Publications, 1997. Texts.