Peter Siemund. (2013). Varieties of English (1.). Cambridge University Press.
Chicagoスタイル(17版)引用形式Peter Siemund. Varieties of English. 1. Cambridge University Press, 2013.
MLA(8版)引用形式Peter Siemund. Varieties of English. 1. Cambridge University Press, 2013.
警告: この引用は必ずしも正確ではありません.