Holmes, Oliver Wendell, Jr.
Little, Brown and Company, 1951
Buku Teks
editor, M. Vistinetsky
Foreign Languages Publishing House, 1957
Buku Teks
Ellis, Harry B., author
World Pub., 1965
Buku Teks
Hennessey, Wade L., author
McGraw-Hill, 1989
Buku Teks
Llyod, Douglas
American Elsevier , 1963
Buku Teks