APA aipamena

Unesco & Singh, M. (1996). Renewable energy of the sun. UNESCO.

Chicago Style aipamena

Unesco and Madanjeet Singh. Renewable Energy of the Sun. Paris: UNESCO, 1996.

MLA aipamena

Unesco and Madanjeet Singh. Renewable Energy of the Sun. UNESCO, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.