Kinney, J. (2007). Dairy of a Wimpy Kid: Old School. Penguin Books.
Chicagoスタイル(17版)引用形式Kinney, Jeff. Dairy of a Wimpy Kid: Old School. London: Penguin Books, 2007.
MLA(9版)引用形式Kinney, Jeff. Dairy of a Wimpy Kid: Old School. Penguin Books, 2007.
警告: この引用は必ずしも正確ではありません.