(1994). Violence-free schools policy. Ontario, CA: Minister of Education and Training.
Citazione stile Chigago Style (17a edizione)Violence-free Schools Policy. Ontario, CA: Minister of Education and Training, 1994.
Citatione MLA (9a ed.)Violence-free Schools Policy. Ontario, CA: Minister of Education and Training, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.