Diocesan Development Program for Natural Family Planning. Directors Annual Meeting, Angelo, E. J., Krocheski, J., & Nelson, S. L. (1987). Pro-life directors' annual meeting (NCCB), Mesa Arizona, September 15, 1987. Ministr-O-Media, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Diocesan Development Program for Natural Family Planning. Directors Annual Meeting, E. Joanne Angelo, Janet Krocheski, و Sharon Lynn Nelson. Pro-life Directors' Annual Meeting (NCCB), Mesa Arizona, September 15, 1987. Pomfret, Md.: Ministr-O-Media, Inc., 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Diocesan Development Program for Natural Family Planning. Directors Annual Meeting, et al. Pro-life Directors' Annual Meeting (NCCB), Mesa Arizona, September 15, 1987. Ministr-O-Media, Inc., 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.