Johnstone, Sydney J. (Sydney James)
John Wiley & Sons, 1961
Buku Teks SO
Mahajan, S.P.
Tata McGraw-Hill, 1985
Buku Teks
Austin, George T.
McGraw-Hill, c1986
Buku Teks SO
George T. Austin
McGraw-Hill, 1986
Buku Teks SO
Dilion, C.P.
McGraw-Hill, 1992
Buku Teks SO