Howells, R. (2009). Using visual evidence. McGraw Hill/Open University Press.
Čikaški stil citiranja (17. izdanje)Howells, Richard. Using Visual Evidence. Maidenhead, Berkshire, England: McGraw Hill/Open University Press, 2009.
MLA način citiranja (9. izdanje)Howells, Richard. Using Visual Evidence. McGraw Hill/Open University Press, 2009.
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