Behrens, W., & Hawranek, P. M. (1991). Manual for the preparation of industrial feasibility studies (Newly rev. and expanded ed.). United Nations Industrial Development Organization.
芝加哥风格引文Behrens, W., 与 P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Newly rev. and expanded ed. Vienna: United Nations Industrial Development Organization, 1991.
MLA引文Behrens, W., 与 P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Newly rev. and expanded ed. United Nations Industrial Development Organization, 1991.
警告：这些引文格式不一定是100％准确.