Kinney, J. (2015). Dairy of a wimpy kid: Hard Luck. Penguin Books.
Chicagoスタイル(17版)引用形式Kinney, Jeff. Dairy of a Wimpy Kid: Hard Luck. London: Penguin Books, 2015.
MLA(9版)引用形式Kinney, Jeff. Dairy of a Wimpy Kid: Hard Luck. Penguin Books, 2015.
警告: この引用は必ずしも正確ではありません.