HITCHINGS, B. (1975). Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut.
Chicago-viite (17. p.)HITCHINGS, Bradley. Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut, 1975.
MLA-viite (8. p.)HITCHINGS, Bradley. Marketing As A Cybernatic System Bradley Hitchings. Alexander Hamilton Institut, 1975.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.