Cita APA (7a ed.)

Johnson, P. F. (2020). Purchasing and supply management (Sixteenth edition.). McGraw-Hill Education.

Cita Chicago Style (17a ed.)

Johnson, P. Fraser. Purchasing and Supply Management. Sixteenth edition. New York, NY: McGraw-Hill Education, 2020.

Cita MLA (9a ed.)

Johnson, P. Fraser. Purchasing and Supply Management. Sixteenth edition. McGraw-Hill Education, 2020.