edited by G.E. Gorman
Scarecrow Press, 1990
Buku Teks
Sullivan, Peter, 1948-, author
Springer, 2013
Buku Teks
edited by Douglas A. Grouws
Macmillan Library Reference, 1992
Buku Referensi
edited by H. Akashi
Pergamon Press, 1982
Buku Teks
Gila Hanna
Springer, 2012
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