International Transport Workers' Federation (ITF). (1987). ITF Asia/Pacific Bulletin, Special health and safety issue.
Chicago-viite (17. p.)International Transport Workers' Federation (ITF). ITF Asia/Pacific Bulletin, Special Health and Safety Issue. 1987.
MLA-viite (8. p.)International Transport Workers' Federation (ITF). ITF Asia/Pacific Bulletin, Special Health and Safety Issue. 1987.
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