Wardhaugh, R. (1976). The contexts of language. Newbury House.
Chicagoスタイル(17版)引用形式Wardhaugh, Ronald. The Contexts of Language. Rowley, Mass: Newbury House, 1976.
MLA(9版)引用形式Wardhaugh, Ronald. The Contexts of Language. Newbury House, 1976.
警告: この引用は必ずしも正確ではありません.