Dyfyniad APA

Field, M., & Keller, L. (1998). Project management. London: Thomson Learning.

Dyfyniad Arddull Chicago

Field, Mike., và Laurie Keller. Project Management. London: Thomson Learning, 1998.

Dyfyniad MLA

Field, Mike., và Laurie Keller. Project Management. London: Thomson Learning, 1998.

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