Dyfyniad APA

Harper,David R. (2012). Viruses: Biology applications control. Garland Science.

Dyfyniad Arddull Chicago

Harper,David R. Viruses: Biology Applications Control. London: Garland Science, 2012.

Dyfyniad MLA

Harper,David R. Viruses: Biology Applications Control. Garland Science, 2012.

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