Trudgill, P. (1974). Sociolinguistics: An introduction. Penguin.
Citación estilo ChicagoTrudgill, Peter. Sociolinguistics: An Introduction. Harmondsworth: Penguin, 1974.
Cita MLATrudgill, Peter. Sociolinguistics: An Introduction. Penguin, 1974.
Warning: These citations may not always be 100% accurate.