Kirn, Elaine
Interactions I: a communicative grammar
McGraw-Hill , 1990
Buku Teks
Warner, Patricia K.
Interactions II : a communicative grammar
MacGraw-Hill, 1990
Buku Teks
Pardiyono
Pasti bisa communicative grammar focus and exercise for easier conversation and better assessment
Andi, 2005
Buku Teks
Chabay, Ruth W
Matter and interactions I : modern mechanics
John Wiley & Sons, 2007
Buku Teks
Chatterji, Kshitish Chandra
Technical terms and technique of Sanskrit grammar; Part I
Visvanath Chatterji, 1948
Buku Teks