Cita APA (7th ed.)

SILVERSTEIN RUTH J. (2015). SPANISH NOW ( WITH CD ) (8TH ED.). BARRON'S.

Cita Chicago (17th ed.)

SILVERSTEIN RUTH J. SPANISH NOW ( WITH CD ). 8TH ED. NEW YORK: BARRON'S, 2015.

Cita MLA (9th ed.)

SILVERSTEIN RUTH J. SPANISH NOW ( WITH CD ). 8TH ED. BARRON'S, 2015.