Black, J. D., & Cavin, J. P. e. (1959). Economics for agriculture; selected writings of John D. Black: Edited by James Pierce Cavin with introductory Essays. Harvard University Press.
Chicago Style (17. basım) AtıfBlack, John D., ve James Pierce ed Cavin. Economics for Agriculture; Selected Writings of John D. Black: Edited by James Pierce Cavin with Introductory Essays. Cambridge: Harvard University Press, 1959.
MLA (9th ed.) AtıfBlack, John D., ve James Pierce ed Cavin. Economics for Agriculture; Selected Writings of John D. Black: Edited by James Pierce Cavin with Introductory Essays. Harvard University Press, 1959.
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