Brumbaugh, A. (1991). Do-it-yourself math stories: 20 math adventures ready to personalize: addition, subtraction, multiplication, division, time, problem-solving, and more! Scholastic Professional Books.
Chicago-Zitierstil (17. Ausg.)Brumbaugh, Allyne. Do-it-yourself Math Stories: 20 Math Adventures Ready to Personalize: Addition, Subtraction, Multiplication, Division, Time, Problem-solving, and More! New York: Scholastic Professional Books, 1991.
MLA-Zitierstil (9. Ausg.)Brumbaugh, Allyne. Do-it-yourself Math Stories: 20 Math Adventures Ready to Personalize: Addition, Subtraction, Multiplication, Division, Time, Problem-solving, and More! Scholastic Professional Books, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.