Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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