APA (7 वां संस्करण) प्रशस्ति पत्र

Baumol, W. J. (1991). Economics: Principles and policy (Fifth edition.). Harcourt Brace Jovanovich.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Baumol, William J. Economics: Principles and Policy. Fifth edition. San Diego: Harcourt Brace Jovanovich, 1991.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Baumol, William J. Economics: Principles and Policy. Fifth edition. Harcourt Brace Jovanovich, 1991.