Kennedy, J., & McArdle, S. (1999). Maths made easy: Key stage 2 : [upper]. Dorling Kindersley.
Chicagoスタイル(17版)引用形式Kennedy, John, , Sean McArdle. Maths Made Easy: Key Stage 2 : [upper]. London: Dorling Kindersley, 1999.
MLA(9版)引用形式Kennedy, John, , Sean McArdle. Maths Made Easy: Key Stage 2 : [upper]. Dorling Kindersley, 1999.
警告: この引用は必ずしも正確ではありません.