Malvino, Albert Paul, author
Tata McGraw-Hill, 1983
Buku Teks
Malvino, Albert Paul, author
McGraw-Hill, 1993
Buku Teks
Fernandez, Judi N., 1941-, author
John Wiley & Sons, 1981
Buku Teks
Johnson, David E., author
Prentice-Hall, 1979
Buku Teks
Nashelsky, Louis, author
John Wiley & Sons, 1977
Buku Teks