Gaya APA

Pledger, K., Sht, D, Z, H, M. (2004). CORE MATHEMATICS 4 . OXFORD: Heinemann Educational Publisher.

Gaya MLA

Pledger, Keith., Sht, Dr., Zulaehah, Hidayati,, Mmrs.. "CORE MATHEMATICS 4". OXFORD: Heinemann Educational Publisher, 2004. Text.