One world : : one international : report on the 15th International Congress of the International Graphical Federation : London, 6-8 october 1991.

MLA

One World : One International : Report On the 15th International Congress of the International Graphical Federation : London, 6-8 October 1991. Brussels: IGF, 1991.

APA

(1991). One world : one international : report on the 15th International Congress of the International Graphical Federation : London, 6-8 october 1991. Brussels: IGF.

Chicago

One World: One International : Report On the 15th International Congress of the International Graphical Federation : London, 6-8 October 1991. Brussels: IGF, 1991.