Não informado. (1970). Air pollution abstracts. Air Pollution Technical Information Center.
Style de citation Chicago (17e éd.)Não informado. Air Pollution Abstracts. Research Triangle Park, NC: Air Pollution Technical Information Center, 1970.
Style de citation MLA (8e éd.)Não informado. Air Pollution Abstracts. Air Pollution Technical Information Center, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.