edited by Richard W. Bailey
Cambridge University Press , 1987
Buku Teks
edited by Neil Postman, Charles Weingartner, and Terence P. Moran
Bobbs-Merrill, 1979
Buku Teks
Gerber, Philip L.
Wadsworth , 1968
Buku Teks
Artikel Jurnal
Koneru, Aruna
Tata McGraw-Hill, 2011
Buku Teks