Dutton, Geoffrey
Macmillan, 1980
Buku Teks SO
Bosi, Pino
Hodja Educ, 1983
Buku Teks SO
Bryson, John
Penguin Books, 1982
Buku Teks SO
McQueen, James, 1934-1998
University of Queensland, 1981
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Hardy, Frank
Angus and Roberson Publishers, 1965
Buku Teks SO