Fowler, David C., author
Duke University Press, 1968
Buku Teks
Hart, James D., author
Oxford University Press, 1950
Buku Teks
Harman, Carter, author
Dell Publishing, 1956
Buku Teks
Nicholson, Reynold Alleyne, author
At The University Press, 1953
Buku Teks
edited by Albert C. Baugh
Appleton-Century-Crofts, 1948.
Buku Teks