Kochanek, Richard F., author
Harcourt Brace Jovanovich, 1990
Buku Teks
Arnold, John, author
Prentice-Hall, 1985
Buku Teks
Hilton, Ronald W., author
McGraw-Hill, 1997
Buku Teks
Hilton, Ronald W., author
McGraw-Hill, 1991
Buku Teks
Oliver, M. Suzanne, author
Pearson, 2010
Buku Teks