Wilton, V., & Davey, J. A. (2006). Grandfathers: Their changing family roles and contributions. Families Commission.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wilton, Virginia, و Judith A. Davey. Grandfathers: Their Changing Family Roles and Contributions. [Wellington, N.Z.]: Families Commission, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wilton, Virginia, و Judith A. Davey. Grandfathers: Their Changing Family Roles and Contributions. Families Commission, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.
