APA aipamena

Coughlan, A. (2009). Marketing Channels (7th.). Pearson.

Chicago Style aipamena

Coughlan, Anne. Marketing Channels. 7th. Pearson, 2009.

MLA aipamena

Coughlan, Anne. Marketing Channels. 7th. Pearson, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.