Dyfyniad APA

Leftwich, R. H. (1970). The price system and resource allocation (4th ed.). National Bookstore.

Dyfyniad Arddull Chicago

Leftwich, Richard H. The Price System and Resource Allocation. 4th ed. Manila: National Bookstore, 1970.

Dyfyniad MLA

Leftwich, Richard H. The Price System and Resource Allocation. 4th ed. National Bookstore, 1970.

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