APA-Zitierstil (7. Ausg.)

Bouck, E., Flanagan, S., & Bouck, M. (2015). Learning Area and Perimeter with Virtual Manipulatives.

Chicago-Zitierstil (17. Ausg.)

Bouck, Emily, Sara Flanagan, und Mary Bouck. Learning Area and Perimeter with Virtual Manipulatives. 2015.

MLA-Zitierstil (9. Ausg.)

Bouck, Emily, et al. Learning Area and Perimeter with Virtual Manipulatives. 2015.