Kennedy, John H., author
Saunders College, 1990
Buku Teks
Hamilton, Leicester F., author
McGraw-Hill , 1969
Buku Teks
edited by K. Venkataraman
John Wiley & Sons, 1977
Buku Teks
Kenkel, John, author
Lewis, 1994
Buku Teks
Blom, Leendert
Joh Luuk, [date of publication not identified]
Buku Teks