International Transport Workers' Federation (ITF). (1987). ITF Asia/Pacific Bulletin, Special health and safety issue.
Chicago-referens (17:e uppl.)International Transport Workers' Federation (ITF). ITF Asia/Pacific Bulletin, Special Health and Safety Issue. 1987.
MLA-referens (8:e uppl.)International Transport Workers' Federation (ITF). ITF Asia/Pacific Bulletin, Special Health and Safety Issue. 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.