Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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