Lewis, R. (1998). Laboratory manual Life. WCB/McGraw-Hill.
Chicago Style aipamenaLewis, Ricki. Laboratory Manual Life. WCB/McGraw-Hill, 1998.
MLA aipamenaLewis, Ricki. Laboratory Manual Life. WCB/McGraw-Hill, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.