Collins German dictionary
Harper Collins Publisher, 1991,
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Shaw, Gisela
Pocket dictionary of business German
Hodder & Stoughton, 1995
Buku Referensi
The Oxford-duden German dictionary
Clarendon Press, 1990
Buku Referensi
The Oxford-duden German dictionary
Clarendon Press, 1990
Buku Referensi
The Oxford-duden German dictionary
Clarendon Press, 1990
Buku Referensi