Cita APA (7a ed.)
Sharp, D. (1990). The Penguin Dictionary of Chemistry (2.Edition.). Penguin Books.
Cita Chicago Style (17a ed.)
Sharp, D.W.A. The Penguin Dictionary of Chemistry. 2.Edition. London: Penguin Books, 1990.
Cita MLA (9a ed.)
Sharp, D.W.A. The Penguin Dictionary of Chemistry. 2.Edition. Penguin Books, 1990.
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