Sachs, M. (1990). World guide to Scientific Associations and Learned Societies (5th ed.). Saur.
Cita Chicago Style (17a ed.)Sachs, Michael. World Guide to Scientific Associations and Learned Societies. 5th ed. München [etc.]: Saur, 1990.
Cita MLA (9a ed.)Sachs, Michael. World Guide to Scientific Associations and Learned Societies. 5th ed. Saur, 1990.
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