APA
Reeves C. A., . (1992). Problem-solving techniques helpful in mathematics and science. Virginia: National Council of Teachers of Mathematics.
Chicago
Reeves Charles A, . 1992. Problem-solving techniques helpful in mathematics and science. Virginia: National Council of Teachers of Mathematics.
Harvard
Reeves C. A., . (1992). Problem-solving techniques helpful in mathematics and science. Virginia: National Council of Teachers of Mathematics.
MLA
Reeves Charles A, . Problem-solving techniques helpful in mathematics and science. Virginia: National Council of Teachers of Mathematics. 1992.