Friedman, Norman
University of Georgia Press, 1975
Buku Teks
Puspita Nuari
Fakultas Ilmu Pengetahuan dan 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
Strandness, T. Benson
McGraw-Hil, 1964
Buku Teks