hansen, b. (1965). marginal productivity wage theory and subsistence agriculture. the institute of national planning.
芝加哥风格引文hansen, bent. Marginal Productivity Wage Theory and Subsistence Agriculture. cairo: the institute of national planning, 1965.
MLA引文hansen, bent. Marginal Productivity Wage Theory and Subsistence Agriculture. the institute of national planning, 1965.
警告：这些引文格式不一定是100％准确.