Cita APA (7th ed.)

RUSSELL, T., & VERRILL, G. (1986). Otto kleppner's advertising procedure.-- Ed.9. Prentice-Hall.

Cita Chicago (17th ed.)

RUSSELL, Thomas, i Glenn VERRILL. Otto Kleppner's Advertising Procedure.-- Ed.9. New Jersey: Prentice-Hall, 1986.

Cita MLA (9th ed.)

RUSSELL, Thomas, i Glenn VERRILL. Otto Kleppner's Advertising Procedure.-- Ed.9. Prentice-Hall, 1986.