Dyfyniad APA

Fifty Lessons. (2008). Executing for Results. Harvard Bus.School Pub.

Dyfyniad Arddull Chicago

Fifty Lessons. Executing for Results. Boston: Harvard Bus.School Pub, 2008.

Dyfyniad MLA

Fifty Lessons. Executing for Results. Harvard Bus.School Pub, 2008.

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