Hofmann, W. (1967). Vulcanization and vulcanizing agents. Macclaren & Sons.
Chicago Style aipamenaHofmann, Werner. Vulcanization and Vulcanizing Agents. London: Macclaren & Sons, 1967.
MLA aipamenaHofmann, Werner. Vulcanization and Vulcanizing Agents. Macclaren & Sons, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.