Amrah Muslimin, author
Akademika Pressindo, 1986
Buku Teks
edited by Anke Niehof and Firman Lubis.
KITLV Press, 2003
Buku Teks
Westoff, Leslie Aldridge
Litle Brown & Co, 1971
Buku Teks
East West Center Press, 1987
Buku Teks
May, John F.
Springer, 2012
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