ENCYCLOPEDIA BRITANICA. (2004). VIEWS OF EUROPE VISIT THE CONTINENT AT THE CROSSROADS OF MANY CULTURES. ENCYCLOPEDIA BRITANICA.
Chicago-referens (17:e uppl.)ENCYCLOPEDIA BRITANICA. VIEWS OF EUROPE VISIT THE CONTINENT AT THE CROSSROADS OF MANY CULTURES. CHICAGO: ENCYCLOPEDIA BRITANICA, 2004.
MLA-referens (9:e uppl.)ENCYCLOPEDIA BRITANICA. VIEWS OF EUROPE VISIT THE CONTINENT AT THE CROSSROADS OF MANY CULTURES. ENCYCLOPEDIA BRITANICA, 2004.
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