Cita APA (7th ed.)

Kleppner, O. (1966). Advertising procedure (5th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Kleppner, Otto. Advertising Procedure. 5th ed. Englewood Cliffs, N.J: Prentice-Hall, 1966.

Cita MLA (9th ed.)

Kleppner, Otto. Advertising Procedure. 5th ed. Prentice-Hall, 1966.