edited by S. Encel ... [et.al.]
Longman Cheshire, 1984
Buku Teks
Stephen Johnston... [et al.]
Harper Educational, 1995
Buku Teks
Sawer, Geoffrey, 1910-1996
Melbourne University Press, 1973
Buku Teks
Joske, Percy Ernest
Butterworth, 1967
Buku Teks
Crisp, L.F. (Leslie Finlay)
Longman Chesire, 1965
Buku Teks