Prueitt, Melvin L., author
Dover Publications, 1975
Buku Teks
Hill, Francis S., author
Macmillan, 1990
Buku Teks
Hearn, Donald, author
Prentice-Hall, 1986
Buku Teks
by Donald Greenberg [and others]
Addison-Wesley, 1982
Buku Teks
Aftab A. Mufti, author
Reston Publishing , 1983
Buku Teks