Trimble, G. W. (1950). Morningside in Pittsfield: A reconnaissance study for the committee on church extension, Massachusetts Council of Churches. Massachusetts Council of Churches.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Trimble, Glen W. Morningside in Pittsfield: A Reconnaissance Study for the Committee on Church Extension, Massachusetts Council of Churches. Boston: Massachusetts Council of Churches, 1950.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Trimble, Glen W. Morningside in Pittsfield: A Reconnaissance Study for the Committee on Church Extension, Massachusetts Council of Churches. Massachusetts Council of Churches, 1950.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.