Dyfyniad APA

Zeisel, H. (1968). Say it with figures (5th ed., rev.). Harper & Row.

Dyfyniad Arddull Chicago

Zeisel, Hans. Say It with Figures. 5th ed., rev. New York: Harper & Row, 1968.

Dyfyniad MLA

Zeisel, Hans. Say It with Figures. 5th ed., rev. Harper & Row, 1968.

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