Molden, Fritz
Westview Press, 1989
Buku Teks
Battaglia, Roberto
Odhams Press, 1957
Buku Teks
Calis, Piet
Meulenhoff, 1989
Buku Teks
Collier, Richard, 1924-1996, author
Lvons Press, 1958
Buku Teks
Collier, Richard, 1924-1996, author
Collins, 1958
Buku Teks