Moorehead, Alan, 1910-1983
Four Square Book, 1963
Buku Teks SO
Gammage, Bill
Penguin Books, 1990
Buku Teks SO
Moorehead, Alan, 1910-1983
New English Library, 1963
Buku Teks SO
Clancy, Tom
G.P.Putnam's Sons, 1986
Buku Teks SO
Adam-Smith, Patsy
Nelson, 1978
Buku Teks SO