Kassler, R.
Projection arrangements and overhead projector : an instructional aid for workers educators and trade unionists / R. Kassler
Internationa l Labour Office, 1984
 Buku Teks
Unesco Chronicle
Paris : Unesco Coupon
 Majalah, Jurnal, Buletin
Petunjuk teknis peraturan pelaksanaan undang-undang kepegawaian
Jakarta: Cipta Jaya, 2004,
 Buku Referensi
Urquhart, Brian
A world in need of leadership tomorrow's United Nations: a fresh appraisal
Uppsala Dag Hammarskjold Foundation, 1996
 Buku Teks
Jurnal Pendidikan
Malaysia : Universiti Kebangsaan Malaysia
 Majalah, Jurnal, Buletin