APA aipamena

Unesco. (1969). List of International Hydrological Decade stations of the world. UNESCO.

Chicago Style aipamena

Unesco. List of International Hydrological Decade Stations of the World. Paris: UNESCO, 1969.

MLA aipamena

Unesco. List of International Hydrological Decade Stations of the World. UNESCO, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.