Saunders, Joy
German verb handbook : comprehensive guide to German verbs
Berlitz, 1993
Buku Teks SO
Kurbegov, Eliane
French grammar drills
Mc Graw Hill, 2012
Buku Teks SO
McKeane, Alasdair
German
Longman, 1994
Buku Teks SO
Graham, Stuart
The french verb book
Cambridge University Press , 1994
Buku Teks SO
Haider, Hubert
Verb second phenomena in Germanic
Foris Publications, 1986
Buku Teks