Dyfyniad APA

(1978). Management Of Office Operations C L. Littlefield...[et Al.]. Prentice-Hall.

Dyfyniad Arddull Chicago

Management Of Office Operations C L. Littlefield...[et Al.]. Prentice-Hall, 1978.

Dyfyniad MLA

Management Of Office Operations C L. Littlefield...[et Al.]. Prentice-Hall, 1978.

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