APA (7th ed.) Zitazioa
Roberts, A. M. (2009). Something has to happen next. University of Iowa Press.
Chicago Style (17th ed.) Zitazioa
Roberts, Andrew Michael. Something Has to Happen Next. Iowa City: University of Iowa Press, 2009.
MLA (9th ed.) Zitazioa
Roberts, Andrew Michael. Something Has to Happen Next. University of Iowa Press, 2009.
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