APA استشهاد

Boyd, H. W. (1985). Marketing research (6.). All India Traveller Book Seller.

استشهاد بنمط شيكاغو

Boyd, H W. Marketing Research. 6. New Delhi: All India Traveller Book Seller, 1985.

MLA استشهاد

Boyd, H W. Marketing Research. 6. All India Traveller Book Seller, 1985.