Markland, Robert E.
John Wiley & Sons, 1987
Buku Teks
Kim, Chaiho
Addison-Wesley, 1976
Buku Teks
Hein, Leonard W.
Prentice Hall of India, 1974
Buku Teks
Verma, Harish L.
John Wiley & Sons, 1978
Buku Teks
Floud, Roderick
Princeton University Press, 1973
Buku Teks