Aljian, G. W. (1966). Purchasing handbook: Standard reference book on purchasing policies, practices, procedures, contracts and forms (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleAljian, George W. Purchasing Handbook: Standard Reference Book On Purchasing Policies, Practices, Procedures, Contracts and Forms. 2nd ed. New York: McGraw-Hill Book Company, 1966.
Παραπομπή MLAAljian, George W. Purchasing Handbook: Standard Reference Book On Purchasing Policies, Practices, Procedures, Contracts and Forms. 2nd ed. New York: McGraw-Hill Book Company, 1966.
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