توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Williams, B. D. (1986). The Philippines at a crossroad: A background study paper for the U.S. churches. International Affairs Commission, National Council of the Churches of Christ in the U.S.A.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Williams, B. David. The Philippines at a Crossroad: A Background Study Paper for the U.S. Churches. New York: International Affairs Commission, National Council of the Churches of Christ in the U.S.A, 1986.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Williams, B. David. The Philippines at a Crossroad: A Background Study Paper for the U.S. Churches. International Affairs Commission, National Council of the Churches of Christ in the U.S.A, 1986.