Dyfyniad APA

Sheppard,Eric, & Barnes,Trevor J. (1990). The capitalist space economy: Geographical analysis after Ricardo,Marx and Sraffa. Unwin Hyman Inc.

Dyfyniad Arddull Chicago

Sheppard,Eric, and Barnes,Trevor J. The Capitalist Space Economy: Geographical Analysis After Ricardo,Marx and Sraffa. London: Unwin Hyman Inc, 1990.

Dyfyniad MLA

Sheppard,Eric, and Barnes,Trevor J. The Capitalist Space Economy: Geographical Analysis After Ricardo,Marx and Sraffa. Unwin Hyman Inc, 1990.

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