(1935). De taak der rechtssociologie. Tjeenk Willink.
Chicago Style (17th ed.) CitationDe Taak Der Rechtssociologie. Tjeenk Willink, 1935.
MLA (8th ed.) CitationDe Taak Der Rechtssociologie. Tjeenk Willink, 1935.
Warning: These citations may not always be 100% accurate.