Gaya APA

Glaser, B, G., Strauss, A, L. (1980). The Discovery of grounded theory: strategies for qualitative research . New York: Aldine Publishing Company.

Gaya MLA

Glaser, Barney, G.., Strauss, Anselm, L.. "The Discovery of grounded theory: strategies for qualitative research". New York: Aldine Publishing Company, 1980. Text.