Unesco & Singh, M. (1996). Renewable energy of the sun. UNESCO.
Chicagoスタイル(17版)引用形式Unesco , Madanjeet Singh. Renewable Energy of the Sun. Paris: UNESCO, 1996.
MLA(8版)引用形式Unesco , Madanjeet Singh. Renewable Energy of the Sun. UNESCO, 1996.
警告: この引用は必ずしも正確ではありません.