APA استشهاد

Parasuraman, A. (2009). Marketing research. Houghton Mifflin.

استشهاد بنمط شيكاغو

Parasuraman, A. Marketing Research. Boston: Houghton Mifflin, 2009.

MLA استشهاد

Parasuraman, A. Marketing Research. Houghton Mifflin, 2009.