Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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