Harder, T. (1969). Introduction to mathematical models in market and opinion research: With practical applications, computing procedures, and estimates of computing requirements. Dordrecht: Springer Netherlands.
Chicago Style CitationHarder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Dordrecht: Springer Netherlands, 1969.
MLA CitationHarder, Theodor. Introduction to Mathematical Models in Market and Opinion Research: With Practical Applications, Computing Procedures, and Estimates of Computing Requirements. Dordrecht: Springer Netherlands, 1969.
Warning: These citations may not always be 100% accurate.