edited by Dora Neo, Tang Hang Wu, Michael Hor
NUS, 2007
Buku Teks
Koh, Soon Kwang, Peter
Longmans, 1989
Buku Teks
St. Lucia, 1973
Buku Teks
Nancy LoPatin-Lummis, editor
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Buku Teks
Ellinger, E.P.
University of Singapore Press, 1970
Buku Teks