Stycos, J. Mayone
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Buku Teks SO
Carey, Peter
University of Quesland Press, 1985
Buku Teks SO
Weiss, Leonard W.
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Buku Teks
London : Cambrudge Universiyty Press
Majalah, Jurnal, Buletin
edited by Janice A. Radway, Kevin Gaines, Barry Shank, Penny Von Eschen
Wiely-Blackwell, 2009
Buku Teks SO