Grogan, V., & Ryan, L. (1967). Religious freedom in the teaching of the Second Vatican Council and in certain civil declarations. Scepter Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Grogan, Vincent, و Laurence Ryan. Religious Freedom in the Teaching of the Second Vatican Council and in Certain Civil Declarations. Dublin: Scepter Books, 1967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Grogan, Vincent, و Laurence Ryan. Religious Freedom in the Teaching of the Second Vatican Council and in Certain Civil Declarations. Scepter Books, 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.