APA (7e ed.) Bronvermelding

Kleppner, O., & Govoni, N. A. P. (1988). Advertising procedure (10th ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Kleppner, Otto, en Norman A. P. Govoni. Advertising Procedure. 10th ed. Englewood Cliffs, N.J: Prentice-Hall, 1988.

MLA (9e ed.) Bronvermelding

Kleppner, Otto, en Norman A. P. Govoni. Advertising Procedure. 10th ed. Prentice-Hall, 1988.