Dyfyniad APA
Price, E. O. (1987). Economic concepts analysis & applications. Wadsworth.
Dyfyniad Arddull Chicago
Price, Edward O. Economic Concepts Analysis & Applications. Califonia: Wadsworth, 1987.
Dyfyniad MLA
Price, Edward O. Economic Concepts Analysis & Applications. Wadsworth, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.