APA استشهاد

Bradley, N. (2007). Marketing research: Tools and techniques. OUP.

استشهاد بنمط شيكاغو

Bradley, Nigel. Marketing Research: Tools and Techniques. New Delhi: OUP, 2007.

MLA استشهاد

Bradley, Nigel. Marketing Research: Tools and Techniques. OUP, 2007.