Hills, E., C., & Ford, J. D. M. (1917). First Spanish course. D.C. Heath.
Chicagoスタイル(17版)引用形式Hills, E., C., , J. D. M. Ford. First Spanish Course. New York: D.C. Heath, 1917.
MLA(9版)引用形式Hills, E., C., , J. D. M. Ford. First Spanish Course. D.C. Heath, 1917.
警告: この引用は必ずしも正確ではありません.