Não informado. (1999). Miscellaneous. Virginia Polytechnic Institute.
Style de citation Chicago (17e éd.)Não informado. Miscellaneous. Blacksburg, Va: Virginia Polytechnic Institute, 1999.
Style de citation MLA (8e éd.)Não informado. Miscellaneous. Virginia Polytechnic Institute, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.