Theophanous, Andrew C.
Oxford University Press, 1980
Buku Teks
edited by Henry Mayer
F.W. Chesire, 1966
Buku Teks
Edward Arnold, 1978
Buku Teks
Crisp, L. F. (Leslie Finlay), author
Longman Chesire, 1965
Buku Teks
Crisp, L. F. (Leslie Finlay), author
Longman, 1973
Buku Teks