Huntington, E., & Williams, F. E. (1926). Business geography (2nd. ed. rev.). John Wiley and Sons.
Cita Chicago Style (17a ed.)Huntington, Ellsworth, y Frank E. Williams. Business Geography. 2nd. ed. rev. New York: John Wiley and Sons, 1926.
Cita MLA (9a ed.)Huntington, Ellsworth, y Frank E. Williams. Business Geography. 2nd. ed. rev. John Wiley and Sons, 1926.
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