Mann, Heinrich
Amsterdam Insel 1939
Buku Teks
Beyer, Klaus G.
Berlin : Aufbau-Verlag Berlin und Weimar, 1984,
Buku Referensi
Wilson, Edwin L., author
McGraw-Hill, 1988
Buku Teks
Wilson, Edwin L., author
McGraw-Hill, 1988
Buku Teks
Wilson, Edwin L., author
McGraw-Hill, 1976
Buku Teks