एपीए उद्धरण

Heerkens, G. R. (2005). Project management: 24 lessons to help you master any project. New York, NY: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Heerkens, Gary R. Project Management: 24 Lessons to Help You Master Any Project. New York, NY: McGraw-Hill, 2005.

एमएलए उद्धरण

Heerkens, Gary R. Project Management: 24 Lessons to Help You Master Any Project. New York, NY: McGraw-Hill, 2005.