APA (7th ed.) Citation

(2003). English Series 5 CD 4: Courageous People, Who's Afraid? ( computer disc ). iT21.

Chicago Style (17th ed.) Citation

English Series 5 CD 4: Courageous People, Who's Afraid? ( Computer Disc ). Singapura: iT21, 2003.

MLA (9th ed.) Citation

English Series 5 CD 4: Courageous People, Who's Afraid? ( Computer Disc ). iT21, 2003.