Dyfyniad APA

PARRAGON PUBLICATION. (2013). SCIENCE & TECHNOLOGY ENCYCLOPEDIA. PARRAGON PUBLICATION.

Dyfyniad Arddull Chicago

PARRAGON PUBLICATION. SCIENCE & TECHNOLOGY ENCYCLOPEDIA. UK: PARRAGON PUBLICATION, 2013.

Dyfyniad MLA

PARRAGON PUBLICATION. SCIENCE & TECHNOLOGY ENCYCLOPEDIA. PARRAGON PUBLICATION, 2013.

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