Dyfyniad APA

Kotter John P. (2012). Leading Change. Harvard Bus. School.

Dyfyniad Arddull Chicago

Kotter John P. Leading Change. Boston: Harvard Bus. School, 2012.

Dyfyniad MLA

Kotter John P. Leading Change. Harvard Bus. School, 2012.

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