APA (7th ed.) Citation

(2003). Mathematics Series 6 CD 1: Keep it clean in Klean City ( computer disc ). iT21.

Chicago Style (17th ed.) Citation

Mathematics Series 6 CD 1: Keep It Clean in Klean City ( Computer Disc ). Singapura: iT21, 2003.

MLA (9th ed.) Citation

Mathematics Series 6 CD 1: Keep It Clean in Klean City ( Computer Disc ). iT21, 2003.

Warning: These citations may not always be 100% accurate.