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Buku Teks
Kohler, Eric L.
Prentice-Hall, 1957
Buku Referensi
edited by W.A. Paton
Ronald Press, 1955
Buku Teks
Stivens, Dal, 1911-1997
Brittanicus Liber, 1951
Buku Teks
The China Weekley Review, 1933
Buku Teks