Παραπομπή APA

International Labour Office. (1977). Safety, health and working environment in the metal trades: New appoaches. Geneve: International Labour Office.

Παραπομπή Chicago Style

International Labour Office. Safety, Health and Working Environment in the Metal Trades: New Appoaches. Geneve: International Labour Office, 1977.

Παραπομπή MLA

International Labour Office. Safety, Health and Working Environment in the Metal Trades: New Appoaches. Geneve: International Labour Office, 1977.

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