Não informado. (2012). Marketing Management. American Marketing Association Publications Group.
Chicago-viite (17. p.)Não informado. Marketing Management. Chicago, Ill: American Marketing Association Publications Group, 2012.
MLA-viite (8. p.)Não informado. Marketing Management. American Marketing Association Publications Group, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.