APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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