Radley, P. (2005). Horizons (student's book 1): Có sách. Oxford: Oxford University Press.
シカゴスタイル引用形Radley, Paul. Horizons (student's Book 1): Có Sách. Oxford: Oxford University Press, 2005.
MLA引用形式Radley, Paul. Horizons (student's Book 1): Có Sách. Oxford: Oxford University Press, 2005.
警告: この引用は必ずしも正確ではありません.