APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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