Cita APA

Petersen, C., & Toop, A. (1994). Sales Promotion in Postmodern Marketing. Gower.

Citación estilo Chicago

Petersen, Christian, y Alan Toop. Sales Promotion in Postmodern Marketing. Aldershot: Gower, 1994.

Cita MLA

Petersen, Christian, y Alan Toop. Sales Promotion in Postmodern Marketing. Gower, 1994.