APA-viite (7. p.)
International Labour Office & ebrary, Inc. (2009). Safety and health in underground coalmines. International Labour Office.
Chicago-viite (17. p.)
International Labour Office ja Inc ebrary. Safety and Health in Underground Coalmines. Geneva: International Labour Office, 2009.
MLA-viite (9. p.)
International Labour Office ja Inc ebrary. Safety and Health in Underground Coalmines. International Labour Office, 2009.
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