APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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