Willis, N. D. (1997). Challenging false logic puzzles. Sterling Pub.
Chicago Style (17th ed.) CitationWillis, Norman D. Challenging False Logic Puzzles. New York: Sterling Pub, 1997.
MLA (9th ed.) CitationWillis, Norman D. Challenging False Logic Puzzles. Sterling Pub, 1997.
Warning: These citations may not always be 100% accurate.