Behrens, W., & Hawranek, P. M. (1991). Manual for the preparation of industrial feasibility studies (Newly rev. and expanded ed.). United Nations Industrial Development Organization.
Цитирование в стиле Чикаго (17-е изд.)Behrens, W., и P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Newly rev. and expanded ed. Vienna: United Nations Industrial Development Organization, 1991.
Цитирование MLA (9-е изд.)Behrens, W., и P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Newly rev. and expanded ed. United Nations Industrial Development Organization, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.