1
by Wheelock, Frederic M.
Published 1963
2
by Lange, Eva C.
Published 1962
3
by Mustafa Zubair
Published 2004
4
by Gilbert, Lesley
Published 1994
5
by Rajamanikam, K.
Published 2010
6
by Meese, Herrad
Published 1966
7
by Lohfert, Walter
Published 1993
8
by Nunan, David
Published 1995
9
by Nunan, David
Published 1995
10
by Nunan, David
Published 1995
11
by Meese, Herrad
Published 1966
12
by Hoerschelmann, Fred von
Published 1982
13
Published 1990
14
15
by Przybyla, J?org
Published 1993
16
by Meese, Herrad
Published 2005
17
by Eismann, Volker
Published 2004
18
by Jacobs, Eberhard
Published 1982
19
by Nandy, Milon
Published 1997
20