Oskarsson, Mats
Pergamon Press , 1980
Buku Teks
Dakin, Julian
Longman , 1975
Buku Teks
Nasr, Raja T.
Longman, 1975
Buku Teks
Victorian Association for the Teaching of English, 1984
Buku Teks
Abd. Ghofur
Perpustakaan STAIN Pamekasan Press, 2008
Buku Teks