Hanson, A.H.
Oxford University Press, 1966
Buku Teks
Veit, Lawrence A.
McGraw-Hill, 1976
Buku Teks
Reserve Bank of India, 1997
Buku Teks
Sengupta, Jayshree
Academic Foundation, 2007
Buku Teks
editors, Subroto Roy and William E. James
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Buku Teks