Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.