Gaya APA

Organization, M, M. (1979). Certificate Mathematics: A Course For Standard Grade And GCSE Units M1-M12 (Cet. 1). London: Heinemann Educational Books.

Gaya MLA

Organization, Modular, Mathematics. "Certificate Mathematics: A Course For Standard Grade And GCSE Units M1-M12". Cet. 1 London: Heinemann Educational Books, 1979. Text.