JOHN, M. (1997). Advertising And Promotion Industry. Prentice-Hall.
Chicago-viite (17. p.)JOHN, Maggie. Advertising And Promotion Industry. Prentice-Hall, 1997.
MLA-viite (8. p.)JOHN, Maggie. Advertising And Promotion Industry. Prentice-Hall, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.