Não informado. (2009). Main Science and Technology Indicators. Organization for Economic Co-operation and Development.
Style de citation Chicago (17e éd.)Não informado. Main Science and Technology Indicators. Paris: Organization for Economic Co-operation and Development, 2009.
Style de citation MLA (8e éd.)Não informado. Main Science and Technology Indicators. Organization for Economic Co-operation and Development, 2009.
Attention : ces citations peuvent ne pas être correctes à 100%.