Kettle, Arnold
Hutchinson University Library , 1972
Buku Teks
Kooistra, J.
Wolters, 1948
Buku Teks
Huddleston, Rodney
Cambridge University Press, 2006
Buku Teks
Griffths, Patrick
Edinburgh University Press, 2006
Buku Teks
Crabb, George
New York Grosset and Dunlap [t.th.]
Buku Teks