Cita APA (7a ed.)

Kleppner, O. (1962). Advertising procedure (4th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Kleppner, Otto. Advertising Procedure. 4th ed. Englewood Cliffs: Prentice Hall, 1962.

Cita MLA (9a ed.)

Kleppner, Otto. Advertising Procedure. 4th ed. Prentice Hall, 1962.