Kapp, Dan, author
Van Nostrand Reinhold, 1978
Buku Teks
Jones, Capers, author
McGraw-Hill, 1986
Buku Teks
Maurer, H.A., author
Prentice-Hall, 1972
Buku Teks
LaBudde, Keith, author
McGraw-Hill, 1987
Buku Teks
Maurer, Herman H., author
Prentice-Hall, 1977
Buku Teks