Παραπομπή σε μορφή APA (7η εκδ.)

International Cable Directory Company & Western Union Telegraphy Company. International cable register of the world in conjunction with Western Union telegraphic code. Compiled and published by International Cable Directory Co.

Παραπομπή σε μορφή Chicago (17η εκδ.)

International Cable Directory Company και Western Union Telegraphy Company. International Cable Register of the World in Conjunction with Western Union Telegraphic Code. New York ; London: Compiled and published by International Cable Directory Co.

Παραπομπή σε μορφή MLA (8th εκδ.)

International Cable Directory Company και Western Union Telegraphy Company. International Cable Register of the World in Conjunction with Western Union Telegraphic Code. Compiled and published by International Cable Directory Co.