Hehman, Robert F., author
Costomized Publishing Division, 1976
Buku Teks
Myers, Gail E., author
McGraw-Hill, 1992
Buku Teks
Merrill, Ray M., author
Jones and Bartlett Learning , 2011
Buku Teks
Staff of Research and Education Association; M. Fogiel, director
Research and Education Association, 1991
Buku Teks
Metz, Clyde R.
McGraw-Hill, 1990
Buku Teks