APA (7th ed.) Zitazioa

Estrada, S. (2010). Basic identity. Index Book SL.

Chicago Style (17th ed.) Zitazioa

Estrada, Sylvie. Basic Identity. Barcelona: Index Book SL, 2010.

MLA (9th ed.) Zitazioa

Estrada, Sylvie. Basic Identity. Index Book SL, 2010.