Gaya APA
Handley, B. (2005).
SPEED MATH FOR KIDS: THE FAST, FUN WAY TO DO BASIC CALCULATIONS ebook (Ed. 1).
Australia:
Wrightbooks.
Gaya MLA
Handley, Bill.
"SPEED MATH FOR KIDS: THE FAST, FUN WAY TO DO BASIC CALCULATIONS ebook".
Ed. 1
Australia:
Wrightbooks,
2005.
Electronic Book.