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The Routledge Intensive German Course
Companion Website, 2006
Buku Teks SO
McKeane, Alasdair
German
Longman, 1994
Buku Teks SO
The dialects of modern German: a linguistic survey
edited by Charles V.J. Russ
Routledge, 1990
Buku Teks SO
Coggle, Paul
German complete course for beginners
Teach Youeself Books, 1991
Buku Teks SO
Coggle, Paul
Complete German Volume 2
Kesaint Blanc, 2010
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