Cita APA (7a ed.)

Spurr, I., & Forrester, J. (1989). Case studies in marketing. Pitman.

Cita Chicago Style (17a ed.)

Spurr, Ian, y Jerry Forrester. Case Studies in Marketing. London: Pitman, 1989.

Cita MLA (9a ed.)

Spurr, Ian, y Jerry Forrester. Case Studies in Marketing. Pitman, 1989.