Instituto Brasileiro de Informação em Ciência e Tecnologia

Cytowanie według stylu APA (wyd. 7)

Não informado. (1973). Energy index. Environment Information Center, Energy Reference Department.

Cytowanie według stylu Chicago (wyd. 17)

Não informado. Energy Index. New York: Environment Information Center, Energy Reference Department, 1973.

Cytowanie według stylu MLA (wyd. 8)

Não informado. Energy Index. Environment Information Center, Energy Reference Department, 1973.