Não informado. (1994). International Journal of Sustainable Development and World Ecology. Parthenon Publishing.
Style de citation Chicago (17e éd.)Não informado. International Journal of Sustainable Development and World Ecology. Lancs, Inglaterra: Parthenon Publishing, 1994.
Style de citation MLA (8e éd.)Não informado. International Journal of Sustainable Development and World Ecology. Parthenon Publishing, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.