Kessels, AHM
Hes Publisher, 1978
Buku Teks
Holzberg, Niklas, author
Routledge, 1995
Buku Teks
Jakob Sumardjo, 1939-, author
Citra Aditya Bakti, 1991
Buku Teks
Fiedler, Leslie A., author
Stein and Day, 1966
Buku Teks
MacKay, Marina, 1975-, author
Cambridge University Press, 2011
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