Cita APA (7th ed.)
Sollish, F., & Semanik, J. (2012). The procurement and supply manager's desk reference (2nd ed.). Wiley.
Cita Chicago (17th ed.)
Sollish, Fred, i John Semanik. The Procurement and Supply Manager's Desk Reference. 2nd ed. Hoboken, N.J.: Wiley, 2012.
Cita MLA (9th ed.)
Sollish, Fred, i John Semanik. The Procurement and Supply Manager's Desk Reference. 2nd ed. Wiley, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.