edited by Neil Postman, Charles Weingartner, and Terence P. Moran
Bobbs-Merrill, 1979
Buku Teks SO
edited by Richard W. Bailey
Cambridge University Press , 1987
Buku Teks SO
Gerber, Philip L.
Wadsworth , 1968
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Sambrook, G.A.
Longmans Green & Co, 1947
Buku Teks SO
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