APA استشهاد

Grbich,, C. (1999). Qualitative research in health: An introduction (1st.). Sage.

استشهاد بنمط شيكاغو

Grbich,, Carol. Qualitative Research in Health: An Introduction. 1st. London: Sage, 1999.

MLA استشهاد

Grbich,, Carol. Qualitative Research in Health: An Introduction. 1st. Sage, 1999.