Cita APA (7a ed.)

Kahn, K. B. (2015). Product planning essentials. Routledge.

Cita Chicago Style (17a ed.)

Kahn, Kenneth B. Product Planning Essentials. Oxfordshire, England ; New York, New York: Routledge, 2015.

Cita MLA (9a ed.)

Kahn, Kenneth B. Product Planning Essentials. Routledge, 2015.