Cita APA (7a ed.)

Otermin, M. S. (2007). Well done! 2007. Level 1 (3a. ed.). Santillana-Richmond Publishing.

Cita Chicago Style (17a ed.)

Otermin, María Silvia. Well Done! 2007. Level 1. 3a. ed. Buenos Aires: Santillana-Richmond Publishing, 2007.

Cita MLA (9a ed.)

Otermin, María Silvia. Well Done! 2007. Level 1. 3a. ed. Santillana-Richmond Publishing, 2007.