Não informado. (2008). Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Collection of Czechoslovak Chemical Communications. Praha: Czechoslovak Academy of Sciences, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Collection of Czechoslovak Chemical Communications. Czechoslovak Academy of Sciences, 2008.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.