Παραπομπή APA

Philos, B. S., & Philos, E. S. (1995). Trace elements in natural waters. CRC Press.

Παραπομπή Chicago Style

Philos, Brit Salbu, και Eiliv Steinnes Philos. Trace Elements in Natural Waters. Boca Raton: CRC Press, 1995.

Παραπομπή MLA

Philos, Brit Salbu, και Eiliv Steinnes Philos. Trace Elements in Natural Waters. CRC Press, 1995.