Keller, Edward A., author
John Wiley & Sons, 2014
eBooks
Dorian, A.F., author
Elsevier Scientific Publishing Company, 1981
Buku Referensi
The Institute for Research and Community Service ITB, 2008
Majalah, Jurnal, Buletin
Parry, John, author
Penguin Book, 1970
Buku Teks
Ziman, John, author
Cambridge University Press, 1994
Buku Teks