Donaldson, Bruce
Mastering German vocabulary : a practical guide to troublesome words
Routledge, 2004
Buku Referensi
Saunders, Joy
German vocabulary handbook comprehensive guide to vocabulary
Pearson Education, 1994
Buku Teks
Coggle, Paul
German complete course for beginners
Teach Youeself Books, 1991
Buku Teks
Miell, Anna
Intermediate German : a grammar and workbook
Routledge, 2006
Buku Teks
Donaldson, Bruce
German: an essential grammar
Routledge, 2006
Buku Teks