Smith, P. K., Pepler, D., & Rigby, K. Bullying in schools: How successful can interventions be.
Cita Chicago (17th ed.)Smith, Peter K., Debra Pepler, i Ken Rigby. Bullying in Schools: How Successful Can Interventions Be.
Cita MLA (8th ed.)Smith, Peter K., et al. Bullying in Schools: How Successful Can Interventions Be.
Atenció: Aquestes cites poden no estar 100% correctes.