Mark, Melvin, author
Allyn and Bacon, 1979
Buku Teks
Choudhury, T. Roy, author
Tata McGraw-Hill, 1973
Buku Teks
Benson, Rowland S., author
Pergemon Press, 1977
Buku Teks
Reynolds, William C., author
McGraw-Hill, 1968
Buku Teks
Van Wylen, Gordon J., author
John Wiley & Sons, 1985
Buku Teks