Citazione Stile APA (7a Edizione)

Willsmer, R. (1984). The basic part of marketing (2.). Business Books.

Citazione stile Chigago Style (17a edizione)

Willsmer, Ray. The Basic Part of Marketing. 2. London: Business Books, 1984.

Citatione MLA (9a ed.)

Willsmer, Ray. The Basic Part of Marketing. 2. Business Books, 1984.