APA-viite

Ries A I & Trout, J. (1993). Twenty two immutable laws of marketing.

Chicago-tyylinen lähdeviittaus

Ries A I ja Jack Trout. Twenty Two Immutable Laws of Marketing. :, 1993.

MLA-viite

Ries A I ja Jack Trout. Twenty Two Immutable Laws of Marketing. 1993.