APA

United Nations, Economic Commission for Europe E. & Seminar TRANS/SEM.7/4. (1989). Impact of increasing dimensions of loading units on combined transport. Seminar 13-16 November 1989. Report. Geneve: United Nations.

Chicago

United Nations, Economic Commission for Europe ECE and Seminar TRANS/SEM.7/4. 1989. Impact of increasing dimensions of loading units on combined transport. Seminar 13-16 November 1989. Report. Geneve: United Nations.

Harvard

United Nations, Economic Commission for Europe E. and Seminar TRANS/SEM.7/4. (1989). Impact of increasing dimensions of loading units on combined transport. Seminar 13-16 November 1989. Report. Geneve: United Nations.

MLA

United Nations, Economic Commission for Europe ECE and Seminar TRANS/SEM.7/4. Impact of increasing dimensions of loading units on combined transport. Seminar 13-16 November 1989. Report. Geneve: United Nations. 1989.