Deismireacht APA

Longley-Cook, L. H. (1970). New math puzzles book. Van Nostrand Reinhold.

Chicago Edition Citation

Longley-Cook, L. H. New Math Puzzles Book. New York: Van Nostrand Reinhold, 1970.

Deismireacht MLA

Longley-Cook, L. H. New Math Puzzles Book. Van Nostrand Reinhold, 1970.

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