APA ציטוט

Schulz, C. R., & Okun, D. A. (1984). Surface water treatment for communities in developing countries. Wiley.

Chicago Edition Citation

Schulz, Christopher R., and Daniel A. Okun. Surface Water Treatment for Communities in Developing Countries. New York: Wiley, 1984.

ציטוט MLA

Schulz, Christopher R., and Daniel A. Okun. Surface Water Treatment for Communities in Developing Countries. Wiley, 1984.