Richards, R. . .. (2006). Surface and Nanomolecular catalysis.
Chicago Style aipamenaRichards, Ryan. Surface and Nanomolecular Catalysis. Florida : CRC Press, 2006.
MLA aipamenaRichards, Ryan. Surface and Nanomolecular Catalysis. 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.