APA (7 वां संस्करण) प्रशस्ति पत्र

Krumm, R. (1990). teach yourself ... WordPerfect 5.1 for desktop publishing. Management Information source, Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Krumm, Rob. Teach Yourself ... WordPerfect 5.1 for Desktop Publishing. Oregon: Management Information source, Inc, 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Krumm, Rob. Teach Yourself ... WordPerfect 5.1 for Desktop Publishing. Management Information source, Inc, 1990.