Tang Leang-li
George Routledge & Sons, 1930
Buku Teks
Levinson, Paul, author
Routledge, 1977
Buku Teks
Nollau, Gùˆnther, 1911-1991, author
Frederick A. Praeger, 1961
Buku Teks
Reid, Anthony, 1939-, author
NUS Press, 2010
Buku Teks
Powelson, John P., author
McGraw-Hill , 1964
Buku Teks