John Paul II, P. (1981). Toward a philosophy of praxis: An anthology. Crossroad.
Chicagoスタイル(17版)引用形式John Paul II, Pope. Toward a Philosophy of Praxis: An Anthology. New York: Crossroad, 1981.
MLA(8版)引用形式John Paul II, Pope. Toward a Philosophy of Praxis: An Anthology. Crossroad, 1981.
警告: この引用は必ずしも正確ではありません.