Friedman, Norman
University of Georgia Press, 1975
Buku Teks SO
Puspita Nuari
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2013
UI - Skripsi Membership
Odmark, John
Amsterdam John Benjamins 1980
Buku Teks
edited by Margaret Masterman, Yorick Wilks
Cambridge University Press, 2005
Buku Teks SO
Masterman, Margaret
Cambridge University Press, 2005
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