Halko, J. (1953). A study of the Oak Lane Community and analysis of population trends and denominational opportunities. Philadelphia Council of Churches.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Halko, John. A Study of the Oak Lane Community and Analysis of Population Trends and Denominational Opportunities. Philadelphia: Philadelphia Council of Churches, 1953.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Halko, John. A Study of the Oak Lane Community and Analysis of Population Trends and Denominational Opportunities. Philadelphia Council of Churches, 1953.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.