APA
Academia Nacional de Ciencias. Washington D. C., . (1972). Solar energy in developing countries ; perspectives and prospects. Washington: NAS.
Chicago
Academia Nacional de Ciencias. Washington D C, . 1972. Solar energy in developing countries ; perspectives and prospects. Washington: NAS.
Harvard
Academia Nacional de Ciencias. Washington D. C., . (1972). Solar energy in developing countries ; perspectives and prospects. Washington: NAS.
MLA
Academia Nacional de Ciencias. Washington D C, . Solar energy in developing countries ; perspectives and prospects. Washington: NAS. 1972.