Long, Larry E., author
Prentice-Hill, 1984
Buku Teks
Shelly, Gary B., author
Anaheim Publishing, 1984
Buku Teks
Parsons, June, author
Cengage Learning, 2013
Buku Teks
Lechner, H. D., author
Wadsworth, 1984
Buku Teks
Brookshear, J. Glenn, author
Pearson, 2019
Buku Teks