Boyce, R. R. (1978). The bases of economic geography (2nd ed.). Holt, Rinehart and Winston.
Chicagoスタイル(17版)引用形式Boyce, Ronald R. The Bases of Economic Geography. 2nd ed. New York: Holt, Rinehart and Winston, 1978.
MLA(9版)引用形式Boyce, Ronald R. The Bases of Economic Geography. 2nd ed. Holt, Rinehart and Winston, 1978.
警告: この引用は必ずしも正確ではありません.