The British trade union directory
edited and compiled by Wolodymyr Maksymiw
Longman, 1990
Buku Referensi
Humphreys, Nick
Trade union law
Blackstone Press, 1999
Buku Teks SO
Arpornsuwan, Thanet
The trade union movement in Thailand
Friedrich-Ebert Stiftung , 1978
Buku Teks SO
Abdul Manan Aruli
Economic and trade relations between the European Union and Indonesia
2005
Artikel Jurnal
A Supreme court challenge to argentina's trade union model
Artikel Jurnal