Cita APA (7th ed.)

Mairal Uson, R., & Gil, J. (2006). Linguistic universals. Cambridge University Press.

Cita Chicago (17th ed.)

Mairal Uson, Ricardo, i Juana Gil. Linguistic Universals. Cambridge: Cambridge University Press, 2006.

Cita MLA (9th ed.)

Mairal Uson, Ricardo, i Juana Gil. Linguistic Universals. Cambridge University Press, 2006.