Haber, W., Spivey, W. A., & Warshaw, M. R. (1965). Michigan in the 1970's: An economic forecast ;. Ann Arbor: University of Michigan. School of Business Administration.
Παραπομπή Chicago StyleHaber, William, W. Allen Spivey, and Martin R. Warshaw. Michigan in the 1970's: An Economic Forecast ;. Ann Arbor: University of Michigan. School of Business Administration, 1965.
Παραπομπή MLAHaber, William, W. Allen Spivey, and Martin R. Warshaw. Michigan in the 1970's: An Economic Forecast ;. Ann Arbor: University of Michigan. School of Business Administration, 1965.
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