Goldstein, Joseph
The government of British trade unions : a study of apathy and the democratic process in the Transport and General Workers Union
Allen & Unwin, 1952
 Buku Teks
Arpornsuwan, Thanet
The trade union movement in Thailand
Friedrich-Ebert Stiftung , 1978
 Buku Teks
Kompassindo
Standard trade & industri directory of Indonesia
Jakarta : Kompassindo, 1994,
 Buku Referensi
Standard trade & industri directory of Indonesia
Kompassindo, 1994
 Buku Referensi
Standard trade & industri directory of Indonesia
Kompassindo, 1994
 Buku Referensi