Fitzroy, Peter T.
McGraw-Hill, 1976
Buku Teks
Dalrymple, Douglas J.
John Wiley & Sons, 1983
Buku Teks
Guiltinan, Joseph P.
New York McGraw-Hill 1983,
Buku Teks
Gandhi, J.C.
McGraw-Hill Publishing Company, 1995
Buku Teks
Boyd, Harper W., Jr.
New York, N.Y. , Harcourt Brace Jovanovich
Buku Teks