Simmons, I. (1991). Earth, air and water: Resources and environment in the late 20th century. Edward Arnold.
Style de citation Chicago (17e éd.)Simmons, I.G. Earth, Air and Water: Resources and Environment in the Late 20th Century. London: Edward Arnold, 1991.
Style de citation MLA (9e éd.)Simmons, I.G. Earth, Air and Water: Resources and Environment in the Late 20th Century. Edward Arnold, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.