APA引文

(2005). Landmarks of American language and linguistics. Washington, D.C: United States Department of State.

Trích dẫn kiểu Chicago

Landmarks of American Language and Linguistics. Washington, D.C: United States Department of State, 2005.

MLA引文

Landmarks of American Language and Linguistics. Washington, D.C: United States Department of State, 2005.

警告：這些引文格式不一定是100％准確.