Cita APA (7th ed.)

WINFORD, D. (2003). An introduction to contact linguistics. Blackwell Publishing.

Cita Chicago (17th ed.)

WINFORD, Donald. An Introduction to Contact Linguistics. Oxford: Blackwell Publishing, 2003.

Cita MLA (9th ed.)

WINFORD, Donald. An Introduction to Contact Linguistics. Blackwell Publishing, 2003.