APA استشهاد

Gummesson, E. (1991). Qualitative methods in management research. Sage Pub..

استشهاد بنمط شيكاغو

Gummesson, Evert. Qualitative Methods in Management Research. New Delhi: Sage Pub., 1991.

MLA استشهاد

Gummesson, Evert. Qualitative Methods in Management Research. Sage Pub., 1991.