Shepherd, William G.
Public policies toward business
Richard D. Irwin, 1979
 Buku Teks
Backman, Jules
Price practices and price policies Selected/ Jules Backman
The Ronald Press Company, 1953
 Buku Teks
Shepherd, Geoffrey S.
Agricultural price analysis
Iowa State University Press, 1968
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Benefit-cost analyses of social regulation : case studies from the Council on Wage and Price Stability / edited by James C. Miller III and Bruce Yandle
American Enterprise Institute for Public Policy Research, 1979
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Warntz, William
Toward a geography of price : a study in geo-econometrics / William Warntz
University of Pennsylvania Press , 1959
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