Cita APA (7th ed.)

Portier, P., Pardo, C., & Salle, R. (2010). Achats et marketing.

Cita Chicago (17th ed.)

Portier, Philippe, Catherine Pardo, i Robert Salle. Achats Et Marketing. 2010.

Cita MLA (8th ed.)

Portier, Philippe, et al. Achats Et Marketing. 2010.