Dyfyniad APA

Robertson,C A. (1971). Introduction to agricultural production economics and farm management. Tata McGraw Hill.

Dyfyniad Arddull Chicago

Robertson,C A. Introduction to Agricultural Production Economics and Farm Management. New Delhi: Tata McGraw Hill, 1971.

Dyfyniad MLA

Robertson,C A. Introduction to Agricultural Production Economics and Farm Management. Tata McGraw Hill, 1971.

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