Gaya APA

Handley, B. (2005). (E) SPEED MATH PEED MATH for Kids or Kids: The Fast, Fun Way to Do Basic Calculations . United States of America: Jossey-Bass.

Gaya MLA

Handley, Bill. "(E) SPEED MATH PEED MATH for Kids or Kids: The Fast, Fun Way to Do Basic Calculations". United States of America: Jossey-Bass, 2005. Electronic Resource.