Mills, C.P., author
Butterworth, 1971
Buku Teks
Maimunah Aminuddin, author
MC-Graw-Hill , 2011
Buku Teks
ILO , 1973
Buku Teks
Editors Michael Lang
Kluwer Law, 2002
Buku Teks
Cambridge, MA, USA : Published by Basil Blackwell for the United Nations Industrial Development Organizatio, 1991
Buku Teks