Dyfyniad APA

Fox, K. A., & Johnson, D. G. (1969). Reading in the economics of agriculture. George Allen & Unwin.

Dyfyniad Arddull Chicago

Fox, Karl A., and D. Gale Johnson. Reading in the Economics of Agriculture. London: George Allen & Unwin, 1969.

Dyfyniad MLA

Fox, Karl A., and D. Gale Johnson. Reading in the Economics of Agriculture. George Allen & Unwin, 1969.

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