Gaya APA

Labov, W. (2010). Principles of Linguistic Change: Cognitive and Cultural Factors, Volume 3 (3). United Kingdom: Wiley-Blackwell.

Gaya MLA

Labov, William. "Principles of Linguistic Change: Cognitive and Cultural Factors, Volume 3". 3 United Kingdom: Wiley-Blackwell, 2010. Text.