Παραπομπή σε μορφή APA (7η εκδ.)

Amaral, P. M., & Carvalho, A. M. (2014). Portuguese-Spanish interfaces: Diachrony, synchrony, and contact. John Benjamins Publishing Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Amaral, Patrícia Matos, και Ana Maria Carvalho. Portuguese-Spanish Interfaces: Diachrony, Synchrony, and Contact. Amsterdam, Netherlands ; Philadelphia, Pennsylvania: John Benjamins Publishing Company, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Amaral, Patrícia Matos, και Ana Maria Carvalho. Portuguese-Spanish Interfaces: Diachrony, Synchrony, and Contact. John Benjamins Publishing Company, 2014.