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.