Dyfyniad APA
Burns, M. (1996). 50 problem-solving lessons: Grades 1-6. Math Solutions Publications ; Distributed by Cuisenaire Company of America.
Dyfyniad Arddull Chicago
Burns, Marilyn. 50 Problem-solving Lessons: Grades 1-6. Sausalito, CA : White Plains, NY: Math Solutions Publications ; Distributed by Cuisenaire Company of America, 1996.
Dyfyniad MLA
Burns, Marilyn. 50 Problem-solving Lessons: Grades 1-6. Math Solutions Publications ; Distributed by Cuisenaire Company of America, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.