Citazione Stile APA (7a Edizione)
Johnson, D. W., & Johnson, R. T. (1995). Reducing school violence through conflict resolution. Association for Supervision and Curriculum Development.
Citazione stile Chigago Style (17a edizione)
Johnson, David W., e Roger T. Johnson. Reducing School Violence Through Conflict Resolution. Alexandria, Va.: Association for Supervision and Curriculum Development, 1995.
Citatione MLA (9a ed.)
Johnson, David W., e Roger T. Johnson. Reducing School Violence Through Conflict Resolution. Association for Supervision and Curriculum Development, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.