Não informado. (1933). Law and Contemporary Problems. Duke University, School of Law.
Citação do estilo Chicago (17ª ed.)Não informado. Law and Contemporary Problems. Durham, NC: Duke University, School of Law, 1933.
Citação MLA (8ª ed.)Não informado. Law and Contemporary Problems. Duke University, School of Law, 1933.
警告：這些引文格式不一定是100％准確.