Dyfyniad APA

Stuvel, G. (1989). The index-number problem and its solution. Macmillan.

Dyfyniad Arddull Chicago

Stuvel, Gerhard. The Index-number Problem and Its Solution. Basingstoke: Macmillan, 1989.

Dyfyniad MLA

Stuvel, Gerhard. The Index-number Problem and Its Solution. Macmillan, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.