Gaya APA

Wardhaugh, Ronald, Fuller, Janet M. (2015). An Introduction to Sociolinguistics (Seventh Edition). s.l.: Wiley Blackwell.

Gaya Chicago

Wardhaugh, Ronald, Fuller, Janet M. An Introduction to Sociolinguistics. Seventh Edition s.l.: Wiley Blackwell, 2015. Text.

Gaya MLA

Wardhaugh, Ronald, Fuller, Janet M. An Introduction to Sociolinguistics. Seventh Edition s.l.: Wiley Blackwell, 2015. Text.

Gaya Turabian

Wardhaugh, Ronald, Fuller, Janet M. An Introduction to Sociolinguistics. Seventh Edition s.l.: Wiley Blackwell, 2015. Print.