Slotnick, Daniel L., author
D.C. Heath, 1986
Buku Teks
Slotnick, Daniel L., author
D.C. Health, 1986
Buku Teks
Carver, Keith R., author
John Wiley & Sons, 1983
Buku Teks
Madura, Jeff, author
South-Western College, 2001
Buku Teks
Cunningham, William H., author
South-Western, 1984
Buku Teks