Peterson's the Innovative Leader in College Guides
Peterson's, 1997
Buku Referensi
Gee, Wilson, author
D. Appleton-Century Company, 1934
Buku Teks
edited by Monbusho
Maruzen, 1985
Buku Referensi
Kent Ridge Association of Southeast Asian Institute of Higher Learning 1983, 1983
Buku Teks
American Council on Education, 1964
Buku Teks