Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1976). Occupational Health and Safety. Stevens Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Occupational Health and Safety. Waco, Tex: Stevens Publishing, 1976.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Occupational Health and Safety. Stevens Publishing, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.