Cita APA (7a ed.)

Scheuing, E. E. (1989). Purchasing management. Prantice Hall.

Cita Chicago Style (17a ed.)

Scheuing, Eberhard E. Purchasing Management. New Jersey: Prantice Hall, 1989.

Cita MLA (9a ed.)

Scheuing, Eberhard E. Purchasing Management. Prantice Hall, 1989.