University of Western Australia. Faculty of Economics and Commerce. (1968). Economic activity. University of Western Australia Press for the Faculty of Economics and Commerce.

University of Western Australia. Faculty of Economics and Commerce. Economic Activity. Nedlands, W.A.: University of Western Australia Press for the Faculty of Economics and Commerce, 1968.

University of Western Australia. Faculty of Economics and Commerce. Economic Activity. University of Western Australia Press for the Faculty of Economics and Commerce, 1968.