John Wiley & Sons, 2004
Buku Teks
by Ulrich Steger [and others]
John Wiley & Sons, 2004
Buku Teks
edited by Kose John, Anil K. Makhija, Stephen P. Ferris
Emerald, 2017
eBooks
Monks, Robert A.G., 1933-, author
Blackwell, 2001
Buku Teks
Kim, Kenneth A., author
Pearson Prentice Hall, 2010
Buku Teks