APA način citiranja (7. izdanje)

Sommerlad, E. L. (1975). National communication systems: Some policy issues and options. Unesco.

Čikaški stil citiranja (17. izdanje)

Sommerlad, Ernest Lloyd. National Communication Systems: Some Policy Issues and Options. Paris: Unesco, 1975.

MLA način citiranja (9. izdanje)

Sommerlad, Ernest Lloyd. National Communication Systems: Some Policy Issues and Options. Unesco, 1975.