Field, G. Lowell, author
Buku Teks
Buck, Philip W., author
Henry Holt, 1950
Buku Teks
Joad, C.E.M., author
Clarendon Press, 1959
Buku Teks
Grimes, Alan P., author
Oxford University Press , 1959
Buku Teks
Grimes, Alan P., author
Oxford University Press , 1959
Buku Teks