Dyfyniad APA

Wills, G. (1994). Certain trumpets: The call of leaders. Simon & Schuster.

Dyfyniad Arddull Chicago

Wills, Garry. Certain Trumpets: The Call of Leaders. New York: Simon & Schuster, 1994.

Dyfyniad MLA

Wills, Garry. Certain Trumpets: The Call of Leaders. Simon & Schuster, 1994.

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