Dolan, D., Williamson, J., & Muri, M. (1997). Mathematics activities for elementary school teachers: A problem-solving approach (3rd ed.). Addison-Wesley.
Citazione stile Chigago Style (17a edizione)Dolan, Dan, Jim Williamson, e Mari Muri. Mathematics Activities for Elementary School Teachers: A Problem-solving Approach. 3rd ed. Reading, MA: Addison-Wesley, 1997.
Citatione MLA (9a ed.)Dolan, Dan, et al. Mathematics Activities for Elementary School Teachers: A Problem-solving Approach. 3rd ed. Addison-Wesley, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.