Cita APA (7a ed.)

Petersen, C., & Toop, A. (1994). Sales promotion in postmodern marketing. Gower.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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