Παραπομπή APA

Aljian, G. W. (1973). Purchasing handbook: Standard reference book on policies, practices, and procedures (3rd ed.). New York: McGraw-Hill.

Παραπομπή Chicago Style

Aljian, George W. Purchasing Handbook: Standard Reference Book On Policies, Practices, and Procedures. 3rd ed. New York: McGraw-Hill, 1973.

Παραπομπή MLA

Aljian, George W. Purchasing Handbook: Standard Reference Book On Policies, Practices, and Procedures. 3rd ed. New York: McGraw-Hill, 1973.

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