APA (7th ed.) Zitazioa
Preston, W., Herman, E. S., & Schiller, H. I. (1989). Hope & folly: The United States and Unesco, 1945-1985. University of Minnesota Press.
Chicago Style (17th ed.) Zitazioa
Preston, William, Edward S. Herman, eta Herbert I. Schiller. Hope & Folly: The United States and Unesco, 1945-1985. Minneapolis: University of Minnesota Press, 1989.
MLA (9th ed.) Zitazioa
Preston, William, et al. Hope & Folly: The United States and Unesco, 1945-1985. University of Minnesota Press, 1989.
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