Stuvel, G. (1989). The index-number problem and its solution. Macmillan.
Chicagoスタイル(17版)引用形式Stuvel, Gerhard. The Index-number Problem and Its Solution. Basingstoke: Macmillan, 1989.
MLA(9版)引用形式Stuvel, Gerhard. The Index-number Problem and Its Solution. Macmillan, 1989.
警告: この引用は必ずしも正確ではありません.