UK : The Association of Commonwealth Universities, 1988,
Buku Referensi
Meister, Jeanne C
McGraw-Hill, Inc, 1998
Buku Teks
Kent Ridge Association of Southeast Asian Institute of Higher Learning 1983, 1983
Buku Teks
edited by Monbusho
Maruzen, 1985
Buku Referensi
International Associational of university, 1993
Buku Referensi