Cita APA (7a ed.)

Bregstein, B. (2012). Advanced Spanish step-by-step: Master accelerated grammar to take your Spanish to the next level. McGraw-Hill.

Cita Chicago Style (17a ed.)

Bregstein, Barbara. Advanced Spanish Step-by-step: Master Accelerated Grammar to Take Your Spanish to the Next Level. New York: McGraw-Hill, 2012.

Cita MLA (9a ed.)

Bregstein, Barbara. Advanced Spanish Step-by-step: Master Accelerated Grammar to Take Your Spanish to the Next Level. McGraw-Hill, 2012.