IGF.. ... Congress and Trade Group Conferences... : : proceedings.

MLA

Igf.. ... Congress and Trade Group Conferences... : Proceedings. Berne: IGF, 1952.

APA

(1952). IGF.. ... Congress and Trade Group Conferences... : proceedings. Berne: IGF.

Chicago

IGF.. ... Congress and Trade Group Conferences...: Proceedings. Berne: IGF, 1952.