APA引文

Union Internationale des Telecommunications. (1983). Catalogue / Catalogo. Geneve.

Trích dẫn kiểu Chicago

Union Internationale des Telecommunications. Catalogue / Catalogo. Geneve, 1983.

MLA引文

Union Internationale des Telecommunications. Catalogue / Catalogo. Geneve, 1983.

警告：這些引文格式不一定是100％准確.