Dyfyniad APA

Kirk, J. G., Mumford, G. E., & Quay, M. H. (1951). General clerical procedures (2d ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Kirk, John George, George Edgar Mumford, and Mark H. Quay. General Clerical Procedures. 2d ed. New York: Prentice-Hall, 1951.

Dyfyniad MLA

Kirk, John George, et al. General Clerical Procedures. 2d ed. Prentice-Hall, 1951.

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