(1991). Forum for promoting 3-19 comprehensive education. PSW (Educational) Publications.
Cita Chicago (17th ed.)Forum for Promoting 3-19 Comprehensive Education. Leicester, Eng.: PSW (Educational) Publications, 1991.
Cita MLA (9th ed.)Forum for Promoting 3-19 Comprehensive Education. PSW (Educational) Publications, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.