Valette, J. P., & Valette, R. M. (1997). Discovering French. D.C. Heath.
Chicagoスタイル(17版)引用形式Valette, Jean Paul, , Rebecca M. Valette. Discovering French. Lexington, Mass: D.C. Heath, 1997.
MLA(9版)引用形式Valette, Jean Paul, , Rebecca M. Valette. Discovering French. D.C. Heath, 1997.
警告: この引用は必ずしも正確ではありません.