Citazione Stile APA (7a Edizione)

Bright, W., & Dil, A. S. (1976). Variation and change in language: Essays. Stanford University Press.

Citazione stile Chigago Style (17a edizione)

Bright, William, e Anwar S. Dil. Variation and Change in Language: Essays. Standford, Calif: Stanford University Press, 1976.

Citatione MLA (9a ed.)

Bright, William, e Anwar S. Dil. Variation and Change in Language: Essays. Stanford University Press, 1976.