Wilkes, Angela
German for beginners
Chicago: A Division of NTC Pub., 1987,
 Buku Referensi
Robertson, Silvia
German verbs
Hodder & Stoughton, 1994
 Buku Teks SO
Coggle, Paul
Complete German, volume 2 = Teach yourself German
Kesaint Blanc, 2011
 Buku Teks SO
McKeane, Alasdair
German
Longman, 1994
 Buku Teks SO
German stories and tales
edited by Robert Pick
Alfred A. Knopf, 1954
 Buku Teks