Gaya APA

Ulin, P, R. et al (2005). E-Book Qualitative Methods in Public Health: A Field Guide for Applied Research (1). California: Jossey-Bass.

Gaya MLA

Ulin, Priscilla, R.. et al. "E-Book Qualitative Methods in Public Health: A Field Guide for Applied Research". 1 California: Jossey-Bass, 2005. Text.