Russell, T. (1993). Kleppner's advertising procedure (12th ed.). Prentice Hall.
Cita Chicago (17th ed.)Russell, Thomas. Kleppner's Advertising Procedure. 12th ed. Englewood Cliffs, N.J: Prentice Hall, 1993.
Cita MLA (9th ed.)Russell, Thomas. Kleppner's Advertising Procedure. 12th ed. Prentice Hall, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.