Thirlway, Hugh, author
Oxford University Press, 2014
Buku Teks
Lupis, Ingrid Detter de, author
Norsteds Forlag, 1987
Buku Teks
Schwarzenberger, Georg, author
Stevens & Sons, 1967
Buku Teks
Schwarzenberger, Georg, author
Stevens & Sons, 1965
Buku Teks
Wortley, B.A., author
University Press, 1959
Buku Teks