PETER, J. P. (2009). Marketing management: Knowledge and skill ninth edition. McGraw-Hill Irwin.
Chicago-viite (17. p.)PETER, J. Paul. Marketing Management: Knowledge and Skill Ninth Edition. McGraw-Hill Irwin, 2009.
MLA-viite (8. p.)PETER, J. Paul. Marketing Management: Knowledge and Skill Ninth Edition. McGraw-Hill Irwin, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.