(2000). Cole-parmer 2001/02. Vernon Hill, IL: Cole-Parmer instrument company.
Chicago Style aipamenaCole-parmer 2001/02. Vernon Hill, IL: Cole-Parmer instrument company, 2000.
MLA aipamenaCole-parmer 2001/02. Vernon Hill, IL: Cole-Parmer instrument company, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.