Cassady, R. (1963). Price warfare in business competition; a study of abnormal competitive behavior. Michigan State University.
Chicago-viite (17. p.)Cassady, Ralph. Price Warfare in Business Competition; a Study of Abnormal Competitive Behavior. East Lansing, Bureau of Bus. and Econ. Res: Michigan State University, 1963.
MLA-viite (9. p.)Cassady, Ralph. Price Warfare in Business Competition; a Study of Abnormal Competitive Behavior. Michigan State University, 1963.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.