APA-referens

Ries, A. (1993). The 22 immutable laws of marketing. New York: Harper Business.

Chicago-stil citat

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

MLA-referens

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.