APA

Stern L. W., . (1996). Marketing channels. E.U.A: Pearson.

Chicago

Stern Louis W, . 1996. Marketing channels. E.U.A: Pearson.

Harvard

Stern L. W., . (1996). Marketing channels. E.U.A: Pearson.

MLA

Stern Louis W, . Marketing channels. E.U.A: Pearson. 1996.