Dyfyniad APA

Summers, G. J. (1968). New puzzles in logical deduction. Dover publication.

Dyfyniad Arddull Chicago

Summers, G. J. New Puzzles in Logical Deduction. New York: Dover publication, 1968.

Dyfyniad MLA

Summers, G. J. New Puzzles in Logical Deduction. Dover publication, 1968.

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