Não informado. (1950). Chemistry of Heterocyclic Compounds. Wiley-Interscience.
Chicago (17e ed.) BronvermeldingNão informado. Chemistry of Heterocyclic Compounds. New York: Wiley-Interscience, 1950.
MLA (8e ed.) BronvermeldingNão informado. Chemistry of Heterocyclic Compounds. Wiley-Interscience, 1950.
Let op: Deze citaties zijn niet altijd 100% accuraat.