edited by Jack Clark Frances, Joyce A. Frost and J. Gregg Whittaker
McGraw-Hill, [Date of publication not identified]
Buku Referensi
Choudhry, Moorad, author
Butterworth-Heinemann, 2013
eBooks
edited by Niklas Wagner
CRC Press, Taylor & Francis Group, 2008
Buku Teks
hedges, Roy
grolier International, 1997
Buku Teks
Bond, Cecil J., author
McGraw-Hill, 1993
Buku Referensi