Strauss, A., & Corbin, J. (1998). Basics of Qualitative Research: Techniques and procedures for developing grounded theory. Sage Publications.

Strauss, Anselm, and Juliet Corbin. Basics of Qualitative Research: Techniques and Procedures for Developing Grounded Theory. Estados Unidos de América: Sage Publications, 1998.

Strauss, Anselm, and Juliet Corbin. Basics of Qualitative Research: Techniques and Procedures for Developing Grounded Theory. Sage Publications, 1998.