Dyfyniad APA
Winer, R. S. (2002). Product Management (3rd ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
Winer, Russell S. Product Management. 3rd ed. New York: McGraw-Hill, 2002.
Dyfyniad MLA
Winer, Russell S. Product Management. 3rd ed. McGraw-Hill, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.