Berry, T. M. (1999). The great work: Our way into the future. Bell Tower.
Style de citation Chicago (17e éd.)Berry, Thomas Mary. The Great Work: Our Way into the Future. New York: Bell Tower, 1999.
Style de citation MLA (8e éd.)Berry, Thomas Mary. The Great Work: Our Way into the Future. Bell Tower, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.