Morris, Noel Malcolm, 1929-, author
Macmillan, 1991
Buku Teks
Session, Kendall Vebster, author
Elex Media Komputindo, 1988
Buku Teks
Wong, Yu Jen, author
McGraw-Hill, 1976
Buku Teks
Lowenberg, Edwin C., author
McGraw-Hill, 1976
Buku Teks
Markus, John, 1911-, author
McGraw-Hill, 1982
Buku Teks