Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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