APA (7 वां संस्करण) प्रशस्ति पत्र

Gormley, M. M., & Hopp, R. H. (1961). The Sioux Falls College Library: A survey. American Library Association.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gormley, Mark M., और Ralph H. Hopp. The Sioux Falls College Library: A Survey. Chicago: American Library Association, 1961.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gormley, Mark M., और Ralph H. Hopp. The Sioux Falls College Library: A Survey. American Library Association, 1961.