Pepicello, W. J., & Green, T. A. (1984). The language of riddles. Ohio State University Press.
Čikaški stil citiranjaPepicello, W. J., i Thomas A. Green. The Language of Riddles. Columbus: Ohio State University Press, 1984.
MLA način citiranjaPepicello, W. J., i Thomas A. Green. The Language of Riddles. Ohio State University Press, 1984.
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