Cita APA (7th ed.)

Ries, A., & Trout, J. (2006). Marketing warfare (20th anniversary ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Ries, Al, i Jack Trout. Marketing Warfare. 20th anniversary ed. New York: McGraw-Hill, 2006.

Cita MLA (9th ed.)

Ries, Al, i Jack Trout. Marketing Warfare. 20th anniversary ed. McGraw-Hill, 2006.