Noordervliet, Nelleke, author
Meulenhoff, 1991
Buku Teks
Böll, Heinrich, author
Kiepenheuer & Witsch, 1992
Buku Teks
edited by Asif Sabanovic, Leonid M. Fridman and Sarah Spurgeon
Institution of Engineering and Technology, 2004
eBooks
Pfleeger, Charles P., 1948-, author
John Wiley & Sons, 1982
Buku Teks
Awad, Elias M., author
Benjamin Cumming, 1988
Buku Teks