(1984). Heath english. D.C. Heath.
Chicagoスタイル(17版)引用形式Heath English. Massachusetts: D.C. Heath, 1984.
MLA(9版)引用形式Heath English. D.C. Heath, 1984.
警告: この引用は必ずしも正確ではありません.
(1984). Heath english. D.C. Heath.
Chicagoスタイル(17版)引用形式Heath English. Massachusetts: D.C. Heath, 1984.
MLA(9版)引用形式Heath English. D.C. Heath, 1984.