Ziegler, Philip
Alfred A. Knopf, 1991
Buku Teks SO
Choi, Byonghyon
Harvard University Press, 2014
Buku Teks SO
Dawson, R. MacGregor
Universitas of Toronto Press , 1958
Buku Teks SO
Salgādo, Gāmini, 1929-1985
Macmillan Education, 1984
Buku Teks SO
Shakespeare, William, 1564-1616
Cambridge University Press, 1954
Buku Teks SO