Hellriegel, M. B. (1935). Good Friday: The liturgical celebration of the life-giving death of our Lord Jesus Christ, arranged for active participation by the faithful. Martin B. Hellriegel.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hellriegel, Martin B. Good Friday: The Liturgical Celebration of the Life-giving Death of Our Lord Jesus Christ, Arranged for Active Participation by the Faithful. [St. Louis, Missouri?]: Martin B. Hellriegel, 1935.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hellriegel, Martin B. Good Friday: The Liturgical Celebration of the Life-giving Death of Our Lord Jesus Christ, Arranged for Active Participation by the Faithful. Martin B. Hellriegel, 1935.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.