Deismireacht APA

International, W. B. -. C. (1980). Science Year: The world book science annual. U.S.A.

Chicago Edition Citation

International, World Book - Childcraft. Science Year: The World Book Science Annual. Chicago: U.S.A, 1980.

Deismireacht MLA

International, World Book - Childcraft. Science Year: The World Book Science Annual. U.S.A, 1980.

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