Allan, D. (1992). Oxford placement test: Grammar test. Oxford, UK: Oxford University Press.
シカゴスタイル引用形Allan, Dave. Oxford Placement Test: Grammar Test. Oxford, UK: Oxford University Press, 1992.
MLA引用形式Allan, Dave. Oxford Placement Test: Grammar Test. Oxford, UK: Oxford University Press, 1992.
警告: この引用は必ずしも正確ではありません.