APA (7 वां संस्करण) प्रशस्ति पत्र

Dobler, D. W., & Burt, D. N. (1996). Purchasing and supply management: Text and cases (6th ed.). McGraw-Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Dobler, Donald W., और David N. Burt. Purchasing and Supply Management: Text and Cases. 6th ed. New York: McGraw-Hill, 1996.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Dobler, Donald W., और David N. Burt. Purchasing and Supply Management: Text and Cases. 6th ed. McGraw-Hill, 1996.