Schofield, K. (1975). Heterocyclic compounds. Butterworths.
Chicago Style aipamenaSchofield, K. Heterocyclic Compounds. London: Butterworths, 1975.
MLA aipamenaSchofield, K. Heterocyclic Compounds. Butterworths, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.