Coggle, Paul
Teach Youeself Books, 1991
Buku Teks
Wilkes, Angela
Passport Books, [date of publication not identified]
Buku Teks
Bladon, Rachel
Passport Books, [date of publication not identified]
Buku Teks
McKeane, Alasdair
Longman, 1994
Buku Teks
Coggle, Paul
Kesaint Blanc, 2010
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