(2005). Landmarks of American language and linguistics. Washington, D.C: United States Department of State.
Trích dẫn kiểu ChicagoLandmarks of American Language and Linguistics. Washington, D.C: United States Department of State, 2005.
MLA CitationLandmarks of American Language and Linguistics. Washington, D.C: United States Department of State, 2005.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.