Cita APA (7a ed.)

Mrope Noel & Mayage, E. (2002). Understanding international purchasing. Mzumbe University.

Cita Chicago Style (17a ed.)

Mrope Noel y Emmanuel Mayage. Understanding International Purchasing. Mzumbe-Morogoro: Mzumbe University, 2002.

Cita MLA (9a ed.)

Mrope Noel y Emmanuel Mayage. Understanding International Purchasing. Mzumbe University, 2002.