APA استشهاد

Coughlan,, . A. T. (2001). Marketing channels (6th.). Pearson education.

استشهاد بنمط شيكاغو

Coughlan,, Anne T. Marketing Channels. 6th. New Delhi: Pearson Education: Pearson education, 2001.

MLA استشهاد

Coughlan,, Anne T. Marketing Channels. 6th. Pearson education, 2001.