Não informado. (1992). Today's chemist at work. American Chemical Society.
Chicago (17e ed.) BronvermeldingNão informado. Today's Chemist at Work. Washington: American Chemical Society, 1992.
MLA (8e ed.) BronvermeldingNão informado. Today's Chemist at Work. American Chemical Society, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.