Turner, J.D.
Macmillan, 1988
Buku Teks
Srivastava, A.C.
Vani Educational Books, [Date of publication not identified]
Buku Teks
Khandpur, Raghbir Singh, 1942-
McGraw-Hill, 2005
Buku Teks
editor, John G. Webster
John Wiley & Sons, 1998
Buku Teks
John Wiley Sons, 2011
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