Sternberger, A. (1951). Research in Germany on pressing social problems: A social sceince survey of German social issues. Library of Congress.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSternberger, Adolf. Research in Germany on Pressing Social Problems: A Social Sceince Survey of German Social Issues. [Washington]: Library of Congress, 1951.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSternberger, Adolf. Research in Germany on Pressing Social Problems: A Social Sceince Survey of German Social Issues. Library of Congress, 1951.
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