Não informado. (1962). Cis information sheet. International Occupational Safety and Health Information Centre.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Cis Information Sheet. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1962.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Cis Information Sheet. International Occupational Safety and Health Information Centre, 1962.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.