Clough, W. O. (1964). The necessary earth: Nature and solitude in American literature. New York: University of Texas Press.
استشهاد بنمط شيكاغوClough, Wilson O. The Necessary Earth: Nature and Solitude in American Literature. New York: University of Texas Press, 1964.
MLA استشهادClough, Wilson O. The Necessary Earth: Nature and Solitude in American Literature. New York: University of Texas Press, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.