Raman, M. (1972). Productivity & economic Growth. National Productivity council.
Chicagoスタイル(17版)引用形式Raman, M. Productivity & Economic Growth. NULL: National Productivity council, 1972.
MLA(9版)引用形式Raman, M. Productivity & Economic Growth. National Productivity council, 1972.
警告: この引用は必ずしも正確ではありません.