Radley, P., Simons, D., & Hill, D. A. (2009). Horizons. Oxford University Press.
Chicagoスタイル(17版)引用形式Radley, Paul, Daniela Simons, , David A. Hill. Horizons. Oxford: Oxford University Press, 2009.
MLA(9版)引用形式Radley, Paul, et al. Horizons. Oxford University Press, 2009.
警告: この引用は必ずしも正確ではありません.