APA stil citiranja
Penka, D. (2011). Negative indefinites: Negative indefinites. Oxford ; New York: Oxford University Press.
Chicago stil citiranjaPenka, Doris. Negative indefinites: Negative indefinites. Oxford ; New York: Oxford University Press, 2011.
MLA stil citiranjaPenka, Doris. Negative indefinites: Negative indefinites. Oxford ; New York: Oxford University Press, 2011.
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