Friederich, Carl J
The Age of power / Carl J. Friederich
Cornell University Press, 1957
Buku Teks
Hofstadter, Richard
Academic freedom in the age of the college / by Richard Hofstadter
Columbia University Press , 1955
Buku Teks
Yang, Richard
The Chinese world / Richard Yang, Edward J. Lazzerini
The Forum Press, 1978
Buku Teks
Economis/ Thomas J. Piere, Richard L. Moss
Addison-Wesley, 1985
Buku Teks
Romanek, Richard J.
Introduction to electronic technology / Richard J. Romanek
Prentice-Hall, 1975
Buku Teks