Gritsch, E. W. (2009). Toxic spirituality: Four enduring temptations of Christian faith. Fortress Press.
Citazione stile Chigago Style (17a edizione)Gritsch, Eric W. Toxic Spirituality: Four Enduring Temptations of Christian Faith. Minneapolis, MN: Fortress Press, 2009.
Citatione MLA (8a ed.)Gritsch, Eric W. Toxic Spirituality: Four Enduring Temptations of Christian Faith. Fortress Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.