Dyfyniad APA

Gray, C. F. L. (2014). Project Management (6th ed.). McGraw Hill Education.

Dyfyniad Arddull Chicago

Gray, Clifford F.; Larson. Project Management. 6th ed. New Delhi: McGraw Hill Education, 2014.

Dyfyniad MLA

Gray, Clifford F.; Larson. Project Management. 6th ed. McGraw Hill Education, 2014.

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