by James E. Anderson; David Brady; Charles Bullock III; Joseph stewart, JR
Brooks/Cole; cengage learning, 1984
Buku Teks
Lewis, Sherman
Duxbury Press, 1980
Buku Teks
Palumbo, Dennis J.
Harcourt Brace College, 1994
Buku Teks
Eyestone, Robert
John Wiley & Sons, 1978
Buku Teks
edited by Almarin Phillips and Oliver E. Williamson
University of Pennsylvania Press , 1967
Buku Teks