KIRK, O. Encyclopedia of chemical technology: Vitamins to zone refining. Volume XXIV. John Wiley & Sons Inc.
Čikaški stil citiranja (17. izdanje)KIRK, Othmer. Encyclopedia of Chemical Technology: Vitamins to Zone Refining. Volume XXIV. John Wiley & Sons Inc.
MLA način citiranja (8. izdanje)KIRK, Othmer. Encyclopedia of Chemical Technology: Vitamins to Zone Refining. Volume XXIV. John Wiley & Sons Inc.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.