Citazione Stile APA (7a Edizione)

Katko, T. S. (1992). The development of water supply associations in Finland and its significance for developing countries. International Bank for Reconstruction and Development / World Bank.

Citazione stile Chigago Style (17a edizione)

Katko, Tapio S. The Development of Water Supply Associations in Finland and Its Significance for Developing Countries. Washington, D.C: International Bank for Reconstruction and Development / World Bank, 1992.

Citatione MLA (9a ed.)

Katko, Tapio S. The Development of Water Supply Associations in Finland and Its Significance for Developing Countries. International Bank for Reconstruction and Development / World Bank, 1992.