APA (7th ed.) Zitazioa
Kallenborn, R., Berger, U., & Järnberg, U. (2004). Perfluorinated alkylated substances (PFAS) in the Nordic environment. Nordic Council of Ministers.
Chicago Style (17th ed.) Zitazioa
Kallenborn, R., Urs Berger, eta Ulf Järnberg. Perfluorinated Alkylated Substances (PFAS) in the Nordic Environment. Copenhagen: Nordic Council of Ministers, 2004.
MLA (9th ed.) Zitazioa
Kallenborn, R., et al. Perfluorinated Alkylated Substances (PFAS) in the Nordic Environment. Nordic Council of Ministers, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.