APA (7 वां संस्करण) प्रशस्ति पत्र

Gellhorn, E., Calkins, S., & Kovacic, W. E. (2004). Antitrust law and economics in a nutshell (5th ed.). Thomson/West.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gellhorn, Ernest, Stephen Calkins, और William E. Kovacic. Antitrust Law and Economics in a Nutshell. 5th ed. St. Paul, MN: Thomson/West, 2004.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gellhorn, Ernest, et al. Antitrust Law and Economics in a Nutshell. 5th ed. Thomson/West, 2004.