APA-referens (7:e uppl.)
Roberts, R. (2004). The city: A guide to London's global financial centre. Economist in association with Profile Books.
Chicago-referens (17:e uppl.)
Roberts, Richard. The City: A Guide to London's Global Financial Centre. London: Economist in association with Profile Books, 2004.
MLA-referens (9:e uppl.)
Roberts, Richard. The City: A Guide to London's Global Financial Centre. Economist in association with Profile Books, 2004.
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