Παραπομπή APA
Tuttle, F. W., & Perry, J. M. (1970). An economic history of the United states/ Frank W. Tuttle, JosephM. Perry. Cincinnati: South-Western publishing company.
Παραπομπή Chicago StyleTuttle, Frank W., and Joseph M. Perry. An Economic History of the United States/ Frank W. Tuttle, JosephM. Perry. Cincinnati: South-Western publishing company, 1970.
Παραπομπή MLATuttle, Frank W., and Joseph M. Perry. An Economic History of the United States/ Frank W. Tuttle, JosephM. Perry. Cincinnati: South-Western publishing company, 1970.
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