Gates, J. M. (1974). Demand price, fish size and the price of fish. [s.n.].
Cita Chicago Style (17a ed.)Gates, John M. Demand Price, Fish Size and the Price of Fish. [S.l.]: [s.n.], 1974.
Cita MLA (9a ed.)Gates, John M. Demand Price, Fish Size and the Price of Fish. [s.n.], 1974.
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