International Graphical Federation (IGF). (1958). Report of proceedings of the fourth Congress and the Trade Groupe Conferences held in Munich, Federal Germany on the 14th to 20th september 1958. Berne: IGF.
Dyfyniad Arddull ChicagoInternational Graphical Federation (IGF). Report of Proceedings of the Fourth Congress and the Trade Groupe Conferences Held in Munich, Federal Germany on the 14th to 20th September 1958. Berne: IGF, 1958.
Dyfyniad MLAInternational Graphical Federation (IGF). Report of Proceedings of the Fourth Congress and the Trade Groupe Conferences Held in Munich, Federal Germany on the 14th to 20th September 1958. Berne: IGF, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.