Não informado. (1936). Journal of Industrial Hygiene and Toxicology. American Industrial Hygiene Association.
Chicago (17e ed.) BronvermeldingNão informado. Journal of Industrial Hygiene and Toxicology. Cambridge, Mass: American Industrial Hygiene Association, 1936.
MLA (8e ed.) BronvermeldingNão informado. Journal of Industrial Hygiene and Toxicology. American Industrial Hygiene Association, 1936.
Let op: Deze citaties zijn niet altijd 100% accuraat.