American Council on Education, 1964
Buku Teks
Hazelkorn, Ellen, author
Palgrave Macmilan, 2011
Buku Teks
edited by James Arvanitakis, David J. Hornsby
Palgrave Macmillan, 2016
Buku Teks
QS Asia Quacquarelli Symonds, 2010
Buku Teks
edited by Monbusho
Maruzen, 1985
Buku Referensi