APA (7 वां संस्करण) प्रशस्ति पत्र

Howard, M. C. (1983). Antitrust and trade regulation: Selected issues and case studies. Prentice-Hall.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Howard, Marshall C. Antitrust and Trade Regulation: Selected Issues and Case Studies. Englewood Cliffs, N. J: Prentice-Hall, 1983.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Howard, Marshall C. Antitrust and Trade Regulation: Selected Issues and Case Studies. Prentice-Hall, 1983.