Randall, Clarence B.
The New American Library, 1961
Buku Teks
Randall, Clarence B., author
Gramedia Widiasarana Indonesia, 1998
Buku Teks
Randall, Clarence B.
Washington, D.C. New American Library 1961,
Buku Teks
Pacifico, Carl R.
John Wiley , 1981
Buku Teks
McFarland, Dalton E., author
Collier Macmillan, 1974
Buku Teks