APA (7 वां संस्करण) प्रशस्ति पत्र

Lachmann, O. (2006). Manageable it projects: The owners' choice. Copenhagen Bus School Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lachmann, Ole. Manageable It Projects: The Owners' Choice. Gylling, Denmark ; Herndon, VA: Copenhagen Bus School Press, 2006.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Lachmann, Ole. Manageable It Projects: The Owners' Choice. Copenhagen Bus School Press, 2006.