Rae, Leslie
McGraw-Hill, 1994
Buku Referensi
McNaughton, William, author
Charles E. Tuttle, 1994
Buku Teks
Katzan, Harry, Jr., author
Van Nostrand Reinhold, 1977
Buku Teks
Lerner, Joel J., author
McGraw-Hill, 1985
Buku Teks
Hannah, Larry S., author
Addison-Wesley, 1977
Buku Teks