linsel, h., & sack, k. (1965). classification of national econom. the institute of national planning.
芝加哥风格引文linsel, hermann, 与 kurt sack. Classification of National Econom. cairo: the institute of national planning, 1965.
MLA引文linsel, hermann, 与 kurt sack. Classification of National Econom. the institute of national planning, 1965.
警告：这些引文格式不一定是100％准确.