Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.