APA (7th ed.) Zitazioa

ebrary, Inc. (1998). Safety and health in forestry work. International Labour Office.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. Safety and Health in Forestry Work. Geneva: International Labour Office, 1998.

MLA (9th ed.) Zitazioa

ebrary, Inc. Safety and Health in Forestry Work. International Labour Office, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.