Samuel Casey Carter. On Purpose: How Great School Cultures Form Strong Character. SAGE.
Citazione stile Chigago Style (17a edizione)Samuel Casey Carter. On Purpose: How Great School Cultures Form Strong Character. SAGE.
Citatione MLA (8a ed.)Samuel Casey Carter. On Purpose: How Great School Cultures Form Strong Character. SAGE.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.