Srivastava, A.C., author
Vani Educational Books, [Date of publication not identified]
Buku Teks
Turner, J.D., author
Macmillan, 1988
Buku Teks
Academic Press, 1999
Buku Teks
editor, John G. Webster
John Wiley & Sons, 1998
Buku Teks
Khandpur, Raghbir Singh, 1942-, author
McGraw-Hill, 2005
Buku Teks