Gaya APA

Russell, T., Verrill, G. (1986). Otto Kleppner's advertising procedure (Ed. 9). Englewood Cliffs, NJ: Prentice-Hall.

Gaya MLA

Russell, Thomas., Verrill, Glenn. "Otto Kleppner's advertising procedure". Ed. 9 Englewood Cliffs, NJ: Prentice-Hall, 1986. Text.