USHER, D. (1980). The Measurement of economic growth. Heritage.
Chicagoスタイル(17版)引用形式USHER, Dan. The Measurement of Economic Growth. New Delhi: Heritage, 1980.
MLA(9版)引用形式USHER, Dan. The Measurement of Economic Growth. Heritage, 1980.
警告: この引用は必ずしも正確ではありません.