Backman, J. (1967). Advertising and competition. New York University Press.
Chicago-viite (17. p.)Backman, Jules. Advertising and Competition. New York: New York University Press, 1967.
MLA-viite (9. p.)Backman, Jules. Advertising and Competition. New York University Press, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.