Παραπομπή APA

Salbu, B., & Philos, E. S. (1994). Trace elements in natural waters. CRC Press.

Παραπομπή Chicago Style

Salbu, Brit, και Eiliv Steinnes Philos. Trace Elements in Natural Waters. Boca Raton: CRC Press, 1994.

Παραπομπή MLA

Salbu, Brit, και Eiliv Steinnes Philos. Trace Elements in Natural Waters. CRC Press, 1994.