Lua APA (7ú heag.)
Vachek, J., & Luelsdorff, P. (1989). Written language revisited. J. Benjamins Pub. Co..
Lua i Stíl Chicago (17ú heag.)
Vachek, Josef, agus Philip Luelsdorff. Written Language Revisited. Amsterdam: J. Benjamins Pub. Co., 1989.
Lua MLA (9ú heag.)
Vachek, Josef, agus Philip Luelsdorff. Written Language Revisited. J. Benjamins Pub. Co., 1989.
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