Dyfyniad APA

Powell, A. A. (1974). Empirical analytics of demand systems. Lexington Books.

Dyfyniad Arddull Chicago

Powell, Alan A. Empirical Analytics of Demand Systems. Lexington, Mass.: Lexington Books, 1974.

Dyfyniad MLA

Powell, Alan A. Empirical Analytics of Demand Systems. Lexington Books, 1974.

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