Catholic Church. Synodus Episcoporum. (1976). Catechetics in our time with special reference to catechetics for children and young people: Theme for 1977 International Synod of Bishops : for the use of the Episcopal Conferences. Publications Office, United States Catholic Conference.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic Church. Synodus Episcoporum. Catechetics in Our Time with Special Reference to Catechetics for Children and Young People: Theme for 1977 International Synod of Bishops : For the Use of the Episcopal Conferences. Washington, D.C.: Publications Office, United States Catholic Conference, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic Church. Synodus Episcoporum. Catechetics in Our Time with Special Reference to Catechetics for Children and Young People: Theme for 1977 International Synod of Bishops : For the Use of the Episcopal Conferences. Publications Office, United States Catholic Conference, 1976.