Catholic Church. Pontifical Council for the Family & United States Catholic Conference. (1991). In the service of life: Instrumentum laboris. Office for Publishing and Promotion Services, United States Catholic Conference.
Style de citation Chicago (17e éd.)Catholic Church. Pontifical Council for the Family et United States Catholic Conference. In the Service of Life: Instrumentum Laboris. Washington, D.C.: Office for Publishing and Promotion Services, United States Catholic Conference, 1991.
Style de citation MLA (8e éd.)Catholic Church. Pontifical Council for the Family et United States Catholic Conference. In the Service of Life: Instrumentum Laboris. Office for Publishing and Promotion Services, United States Catholic Conference, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.