(1991). Liberalization and privatization of transport in third world and eastern european countries: An international seminar for high government representatives and general managers of public transport corporations of developing countries. Deutsche Gessellschaft für Technische Zusammenarbeit.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Liberalization and Privatization of Transport in Third World and Eastern European Countries: An International Seminar for High Government Representatives and General Managers of Public Transport Corporations of Developing Countries. Eschborn: Deutsche Gessellschaft für Technische Zusammenarbeit, 1991.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Liberalization and Privatization of Transport in Third World and Eastern European Countries: An International Seminar for High Government Representatives and General Managers of Public Transport Corporations of Developing Countries. Deutsche Gessellschaft für Technische Zusammenarbeit, 1991.