Barr, S. (1982). Mathematical brain benders: 2nd. miscellany of puzzles. Dover.
Chicago Style (17th ed.) CitationBarr, Stephen. Mathematical Brain Benders: 2nd. Miscellany of Puzzles. New York: Dover, 1982.
MLA (9th ed.) CitationBarr, Stephen. Mathematical Brain Benders: 2nd. Miscellany of Puzzles. Dover, 1982.