Barbara Ward. (1972). Only one Earth: The care and maintenance of a small planet. New York: W. W. Norton.
Style de citation ChicagoBarbara Ward. Only One Earth: The Care and Maintenance of a Small Planet. New York: W. W. Norton, 1972.
Style de citation MLABarbara Ward. Only One Earth: The Care and Maintenance of a Small Planet. New York: W. W. Norton, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.