Bellow's German dictionary German - English, English - German
London, London Longmans
Buku Referensi
Wessels, Dieter
Business German
Macmillan, 1992
Buku Teks
German verbs
Buku Teks
Messinger, Heinz
German English
Langenscheidt, 1993
Buku Referensi
Coggle, Paul
Complete German
Kesaint Blanc, 2011
Buku Teks