Preston, D. R., & Shuy, R. W. (1988). Varieties of American English: Teacher's handbook. Washington, DC.: Department of state.
シカゴスタイル引用形Preston, Dennis R., , Roger W. Shuy. Varieties of American English: Teacher's Handbook. Washington, DC.: Department of state, 1988.
MLA引用形式Preston, Dennis R., , Roger W. Shuy. Varieties of American English: Teacher's Handbook. Washington, DC.: Department of state, 1988.
警告: この引用は必ずしも正確ではありません.