Cita APA (7th ed.)

Johnson, P. F. (2024). Purchasing and supply management (Seventeeth Edition.). McGraw Hill.

Cita Chicago (17th ed.)

Johnson, P. Fraser. Purchasing and Supply Management. Seventeeth Edition. New York, N.Y: McGraw Hill, 2024.

Cita MLA (9th ed.)

Johnson, P. Fraser. Purchasing and Supply Management. Seventeeth Edition. McGraw Hill, 2024.