توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Sibley, L. (1960). A comparison of leaders in small, average, and large Sunday schools: Survey of Sunday church school leaders, 1960. Lutheran Church in America.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Sibley, L. A Comparison of Leaders in Small, Average, and Large Sunday Schools: Survey of Sunday Church School Leaders, 1960. Philadelphia: Lutheran Church in America, 1960.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Sibley, L. A Comparison of Leaders in Small, Average, and Large Sunday Schools: Survey of Sunday Church School Leaders, 1960. Lutheran Church in America, 1960.