International Symposium on Theory and Practice in Transport Economics Athens, Greece, & European Conference of Ministers of Transport. (1974). Transport in the 1980-1990 decade;: Fifth International Symposium on Theory and Practice in Transport Economics, Athens, 22nd-25th October, 1973. CEMT.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումInternational Symposium on Theory and Practice in Transport Economics Athens, Greece, and European Conference of Ministers of Transport. Transport in the 1980-1990 Decade;: Fifth International Symposium on Theory and Practice in Transport Economics, Athens, 22nd-25th October, 1973. [Paris]: CEMT, 1974.
MLA (8րդ խմբ.) ՄեջբերումInternational Symposium on Theory and Practice in Transport Economics Athens, Greece, and European Conference of Ministers of Transport. Transport in the 1980-1990 Decade;: Fifth International Symposium on Theory and Practice in Transport Economics, Athens, 22nd-25th October, 1973. CEMT, 1974.