PARRAGON PUBLICATION. (2013). SCIENCE & TECHNOLOGY ENCYCLOPEDIA. PARRAGON PUBLICATION.
Cita Chicago (17th ed.)PARRAGON PUBLICATION. SCIENCE & TECHNOLOGY ENCYCLOPEDIA. UK: PARRAGON PUBLICATION, 2013.
Cita MLA (9th ed.)PARRAGON PUBLICATION. SCIENCE & TECHNOLOGY ENCYCLOPEDIA. PARRAGON PUBLICATION, 2013.
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