Carey, Peter
University of Queensland Press, 1981
Buku Teks SO
Littlewood, Kathryn
Mizan Fantasi, 2014
Buku Teks SO
Cambridge University Press, 2000
Buku Teks SO
Smiley, Donald V.
McGraw-Hill Ryerson, 1980
Buku Teks SO
Masters, Donald C.
Oxford University Press , 1959
Buku Teks SO