Brown, S. I., & Walter, M. I. (2005). The art of problem posing / Stephen I. Brown, Marion I. Walter (3rd ed.). Lawrence Erlbaum.
Chicago Style (17th ed.) CitationBrown, Stephen I., and Marion I. Walter. The Art of Problem Posing / Stephen I. Brown, Marion I. Walter. 3rd ed. Mahwah, NJ: Lawrence Erlbaum, 2005.
MLA (9th ed.) CitationBrown, Stephen I., and Marion I. Walter. The Art of Problem Posing / Stephen I. Brown, Marion I. Walter. 3rd ed. Lawrence Erlbaum, 2005.
Warning: These citations may not always be 100% accurate.