Dyfyniad APA

Townsend, H. (1971). Price theory: Selected readings. Penguin.

Dyfyniad Arddull Chicago

Townsend, Harry. Price Theory: Selected Readings. Harmondsworth: Penguin, 1971.

Dyfyniad MLA

Townsend, Harry. Price Theory: Selected Readings. Penguin, 1971.

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