Organisation for Economic Co-Operation and Development & OECD. (2005). Lessons in danger: School safety and security. OECD.
Cita Chicago (17th ed.)Organisation for Economic Co-Operation and Development i OECD. Lessons in Danger: School Safety and Security. París: OECD, 2005.
Cita MLA (9th ed.)Organisation for Economic Co-Operation and Development i OECD. Lessons in Danger: School Safety and Security. OECD, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.