Παραπομπή APA

O'Laoghaire, D. T., & Himmelblau. D.M. (1974). Optimal expansion of a water resources system. Academic press.

Παραπομπή Chicago Style

O'Laoghaire, D. T., και Himmelblau. D.M. Optimal Expansion of a Water Resources System. New York: Academic press, 1974.

Παραπομπή MLA

O'Laoghaire, D. T., και Himmelblau. D.M. Optimal Expansion of a Water Resources System. Academic press, 1974.