Ellwood, D. T. (1987). Divide and conquer: Responsible security for America's Poor. [s.n.].
Chicago Style (17th ed.) CitationEllwood, David T. Divide and Conquer: Responsible Security for America's Poor. [s.n.], 1987.
MLA引文Ellwood, David T. Divide and Conquer: Responsible Security for America's Poor. [s.n.], 1987.
警告：這些引文格式不一定是100％准確.