APA (7th ed.) Zitazioa

Kotler Philip & Armstrong Gary. (2012). Principles of Marketing (part-2) (14th ed.). Pearson.

Chicago Style (17th ed.) Zitazioa

Kotler Philip eta Armstrong Gary. Principles of Marketing (part-2). 14th ed. Newjersey: Pearson, 2012.

MLA (9th ed.) Zitazioa

Kotler Philip eta Armstrong Gary. Principles of Marketing (part-2). 14th ed. Pearson, 2012.