Dyfyniad APA

Costa,G C Da. (1985). Production,prices and distribution: Neoclassical and classical system. Tata McGraw Hill Publishing Company Ltd.

Dyfyniad Arddull Chicago

Costa,G C Da. Production,prices and Distribution: Neoclassical and Classical System. New Delhi: Tata McGraw Hill Publishing Company Ltd, 1985.

Dyfyniad MLA

Costa,G C Da. Production,prices and Distribution: Neoclassical and Classical System. Tata McGraw Hill Publishing Company Ltd, 1985.

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