Philos, B. S., & Philos, E. S. (1995). Trace elements in natural waters. CRC Press.
Chicago Style aipamenaPhilos, Brit Salbu, and Eiliv Steinnes Philos. Trace Elements in Natural Waters. Boca Raton: CRC Press, 1995.
MLA aipamenaPhilos, Brit Salbu, and Eiliv Steinnes Philos. Trace Elements in Natural Waters. CRC Press, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.