Buell, Victor P., author
McGraw-Hill, 1984
Buku Teks
Kelley, Eugene
Prentice-Hall, 1972
Buku Teks
McCarthy, E. Jerome, author
Irwin, 1988
Buku Teks
McDaniel, Carl, author
South Western Cengage Learning, 2012
Buku Teks
Still, Richard R., author
Prentice-Hall, 1966
Buku Teks