Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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