APA

Gil J., Mairal R., . (2006). Linguistic universals. : Cambridge University press.

Chicago

Gil Juana, Mairal Ricardo, . 2006. Linguistic universals. : Cambridge University press.

Harvard

Gil J., Mairal R., . (2006). Linguistic universals. : Cambridge University press.

MLA

Gil Juana, Mairal Ricardo, . Linguistic universals. : Cambridge University press. 2006.