Sternberger, A. (1951). Research in Germany on pressing social problems: A social sceince survey of German social issues. Library of Congress.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sternberger, Adolf. Research in Germany on Pressing Social Problems: A Social Sceince Survey of German Social Issues. [Washington]: Library of Congress, 1951.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sternberger, Adolf. Research in Germany on Pressing Social Problems: A Social Sceince Survey of German Social Issues. Library of Congress, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.