(1996). The Chemical industry (2nded.). Blackie. Academic & Professional.
Chicago Style (17th ed.) ZitazioaThe Chemical Industry. 2nded. London: Blackie. Academic & Professional, 1996.
MLA (9th ed.) ZitazioaThe Chemical Industry. 2nded. Blackie. Academic & Professional, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.