Schulz, C. R., & Okun, D. A. (1984). Surface water treatment for communities in developing countries. Wiley.
Chicago Stili AlıntıSchulz, Christopher R., ve Daniel A. Okun. Surface Water Treatment for Communities in Developing Countries. New York: Wiley, 1984.
MLA AlıntıSchulz, Christopher R., ve Daniel A. Okun. Surface Water Treatment for Communities in Developing Countries. Wiley, 1984.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..