Παραπομπή APA

Bertram, C. E. (1982). America`s security in the 1980s.

Παραπομπή Chicago Style

Bertram, Christoph; Ed. America`s Security in the 1980s. London, Macmillan, 1982.

Παραπομπή MLA

Bertram, Christoph; Ed. America`s Security in the 1980s. 1982.