Gaya APA

Handley, B. (2007). SPEED MATH FOR KIDS THE FAST, FUN WAY (1). Australia: John Willey & Sons, Inc.

Gaya MLA

Handley, Bill. "SPEED MATH FOR KIDS THE FAST, FUN WAY". 1 Australia: John Willey & Sons, Inc, 2007. Buku Inti.