Lua APA (7ú heag.)

ebrary, Inc, & Copeland, J. E. (1984). New directions in linguistics and semiotics. Benjamins.

Lua i Stíl Chicago (17ú heag.)

ebrary, Inc, agus James E. Copeland. New Directions in Linguistics and Semiotics. Amsterdam: Benjamins, 1984.

Lua MLA (9ú heag.)

ebrary, Inc, agus James E. Copeland. New Directions in Linguistics and Semiotics. Benjamins, 1984.

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