Não informado. (2008). Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences.
Chicago (17e ed.) BronvermeldingNão informado. Collection of Czechoslovak Chemical Communications. Praha: Czechoslovak Academy of Sciences, 2008.
MLA (8e ed.) BronvermeldingNão informado. Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.