Lua APA (7ú heag.)

TRUDGILL, P. (2002). Sociolinguistic variation and change. Edinburgh University Press.

Lua i Stíl Chicago (17ú heag.)

TRUDGILL, Peter. Sociolinguistic Variation and Change. Edinburgh: Edinburgh University Press, 2002.

Lua MLA (9ú heag.)

TRUDGILL, Peter. Sociolinguistic Variation and Change. Edinburgh University Press, 2002.

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