Dirkes, M. A. (1993). Self-directed problem solving: Idea production in Mathematics. University Press of America.
Chicago Style (17th ed.) CitationDirkes, M. Ann. Self-directed Problem Solving: Idea Production in Mathematics. Lanham, Md.: University Press of America, 1993.
MLA (9th ed.) CitationDirkes, M. Ann. Self-directed Problem Solving: Idea Production in Mathematics. University Press of America, 1993.
Warning: These citations may not always be 100% accurate.