Não informado. (1981). Comments on Modern Chemistry. Gordon and Breach Science Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Comments on Modern Chemistry. London: Gordon and Breach Science Publishers, 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Comments on Modern Chemistry. Gordon and Breach Science Publishers, 1981.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.