HILL, L. (1978). Elementary comprehension pieces. Oxford University.
Chicagoスタイル(17版)引用形式HILL, L.A. Elementary Comprehension Pieces. Hong Kong: Oxford University, 1978.
MLA(9版)引用形式HILL, L.A. Elementary Comprehension Pieces. Oxford University, 1978.
警告: この引用は必ずしも正確ではありません.