APA-viite (7. p.)
ebrary, Inc. (1998). Safety and health in forestry work. International Labour Office.
Chicago-viite (17. p.)
ebrary, Inc. Safety and Health in Forestry Work. Geneva: International Labour Office, 1998.
MLA-viite (9. p.)
ebrary, Inc. Safety and Health in Forestry Work. International Labour Office, 1998.
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