Bárcena, E. (2005). Live Spanish Grammar for English Speaker: Key. enClave-ELE.
Chicagoスタイル(17版)引用形式Bárcena, Elena. Live Spanish Grammar for English Speaker: Key. Madrid: enClave-ELE, 2005.
MLA(9版)引用形式Bárcena, Elena. Live Spanish Grammar for English Speaker: Key. enClave-ELE, 2005.
警告: この引用は必ずしも正確ではありません.