Kemp, Patrick S.
John Wiley & Sons, 1989
Buku Teks
Tan, Pearl Hock-Neo, author
McGrow-Hill, 2015
Buku Teks
Lewis, Richard, author
Pitman Books, 1983
Buku Teks
Kaplan, Robert S., author
Prentice-Hall, 1989
Buku Teks
Baker, Richard E., author
McGraw-Hill, 1999
Buku Referensi