Gaya APA

Pearce, G, B, L, B, A, C. (978-1-107-66801-0). Cambridge Checkpoint Mathematics Practice Book 9 . United Kingdom: Cambridge University Press.

Gaya MLA

Pearce, Greg, Byrd,, Lynn, Byrd, And, Chris. "Cambridge Checkpoint Mathematics Practice Book 9". United Kingdom: Cambridge University Press, 978-1-107-66801-0. Text.