Kinney, J. (1916). Dairy of a Wimpy Kid: The Last Straw. 2009.
Chicago-čujuhus (17. p.)Kinney, Jeff. Dairy of a Wimpy Kid: The Last Straw. London: 2009, 1916.
MLA-čujuhus (9. p.)Kinney, Jeff. Dairy of a Wimpy Kid: The Last Straw. 2009, 1916.
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