Pius XII, P. (1956). Psychological method of natural painless childbirth: Address. National Catholic Welfare Conference.
Style de citation Chicago (17e éd.)Pius XII, Pope. Psychological Method of Natural Painless Childbirth: Address. Washington: National Catholic Welfare Conference, 1956.
Style de citation MLA (8e éd.)Pius XII, Pope. Psychological Method of Natural Painless Childbirth: Address. National Catholic Welfare Conference, 1956.
Attention : ces citations peuvent ne pas être correctes à 100%.