Cita APA (7th ed.)

International Reference Centre for Community Water Supply and Sanitation, Unesco. General Information Programme, & Netherlands. Directoraat-Generaal Internationale Samenwerking. (1981). Programme on exchange and transfer of information (POETRI). The Centre.

Cita Chicago (17th ed.)

International Reference Centre for Community Water Supply and Sanitation, Unesco. General Information Programme, i Netherlands. Directoraat-Generaal Internationale Samenwerking. Programme on Exchange and Transfer of Information (POETRI). Rijswijk, Netherlands: The Centre, 1981.

Cita MLA (9th ed.)

International Reference Centre for Community Water Supply and Sanitation, et al. Programme on Exchange and Transfer of Information (POETRI). The Centre, 1981.