linsel, H., & sack, K. (1965). theoretical problems of industrial planning. National Planning Institute.
芝加哥风格引文linsel, H., 与 K. sack. Theoretical Problems of Industrial Planning. cairo: National Planning Institute, 1965.
MLA引文linsel, H., 与 K. sack. Theoretical Problems of Industrial Planning. National Planning Institute, 1965.
警告：这些引文格式不一定是100％准确.