Hawkins, Christopher James, author
Macmillan, 1971
Buku Teks
Harrison, Ian W., author
McGraw-Hill, 1973
Buku Teks
Bierman, Harold, author
Macmillan, 1975
Buku Teks
Bierman, Harold, author
Macmillan, 1988
Buku Teks
Levy, Haim, author
Prentice-Hall, 1878
Buku Teks