The New Encyclopaedia Britannica 9. Macropaedia. Ready Refence. Otter- RethimnonAutores variosAgotadoNotifícame
Webster's Third New International Dictionary Of The English Language III. S-ZAutores variosAgotadoNotifícame
The Annals of America. Vol. 19, 1969-1973 : tDetente and Domestic CrisesAutores variosAgotadoNotifícame
