Simmons, N. (2009). First friends 1 numbers book. Oxford University Press.
シカゴスタイル引用形Simmons, Naomi. First Friends 1 Numbers Book. Oxford University Press, 2009.
MLA引用形式Simmons, Naomi. First Friends 1 Numbers Book. Oxford University Press, 2009.
警告: この引用は必ずしも正確ではありません.