Lawson, Anton E., author
McGraw-Hill, 1995
Buku Teks
Hehman, Robert F., author
Costomized Publishing Division, 1976
Buku Teks
Yarbrough, James D., author
Burgess Publishing, 1970
Buku Teks
Greenfield, Sydney S.
Burgess Publishing, 1998
Buku Teks
Eiser, Arthur L., author
Burgess Publishing , 1968
Buku Teks