Helmick, R. G., & Petersen, R. L. (2001). Forgiveness and reconciliation: Religion, public policy & conflict transformation. Templeton Foundation Press.
Citazione stile Chigago Style (17a edizione)Helmick, Raymond G., e Rodney Lawrence Petersen. Forgiveness and Reconciliation: Religion, Public Policy & Conflict Transformation. Philadelphia: Templeton Foundation Press, 2001.
Citatione MLA (9a ed.)Helmick, Raymond G., e Rodney Lawrence Petersen. Forgiveness and Reconciliation: Religion, Public Policy & Conflict Transformation. Templeton Foundation Press, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.