Dyfyniad APA

Hopkins, C. H. (1951). History of the Y.M.C.A. in North America. Association Press.

Dyfyniad Arddull Chicago

Hopkins, Charles Howard. History of the Y.M.C.A. in North America. New York: Association Press, 1951.

Dyfyniad MLA

Hopkins, Charles Howard. History of the Y.M.C.A. in North America. Association Press, 1951.

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