BOYCE, R. R. (1974). The bases of economic geography: An essay on the spatial characteristics of man's economic activities. Holt.
Cita Chicago (17th ed.)BOYCE, Ronald Reed. The Bases of Economic Geography: An Essay on the Spatial Characteristics of Man's Economic Activities. New York: Holt, 1974.
Cita MLA (9th ed.)BOYCE, Ronald Reed. The Bases of Economic Geography: An Essay on the Spatial Characteristics of Man's Economic Activities. Holt, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.