Jewish Family Service of Philadelphia & Einstein, G. (1968). Learning to apply new concepts to casework practice: A staff development seminar. Family Service Association of America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jewish Family Service of Philadelphia و Gertrude Einstein. Learning to Apply New Concepts to Casework Practice: A Staff Development Seminar. New York: Family Service Association of America, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Jewish Family Service of Philadelphia و Gertrude Einstein. Learning to Apply New Concepts to Casework Practice: A Staff Development Seminar. Family Service Association of America, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.