Gordon, Robert, editor
Macmillan, 1991
Buku Teks
Semat, Henry
Holt, Rinehart and Winston , 1961
Buku Teks
O`Casey, Sean, author
St. Martin's Press, 1961
Buku Teks
Davies, Paul, 1949-
Currency Press, 1991
Buku Teks
Kenna, Peter
Currency Press, 1972
Buku Teks