Frank, M. (1974). Kids' stuff math: Activities, games and ideas for the elementary classroom. Incentive Publications.
Citazione stile Chigago Style (17a edizione)Frank, Marjorie. Kids' Stuff Math: Activities, Games and Ideas for the Elementary Classroom. Nashville, TN: Incentive Publications, 1974.
Citatione MLA (9a ed.)Frank, Marjorie. Kids' Stuff Math: Activities, Games and Ideas for the Elementary Classroom. Incentive Publications, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.