Cita APA (7th ed.)

Becijos, J., & Forstrom, Y. (2003). Contemporary english: Book 2. McGraw - Hill.

Cita Chicago (17th ed.)

Becijos, Jeanne, i Yan Forstrom. Contemporary English: Book 2. Boston: McGraw - Hill, 2003.

Cita MLA (9th ed.)

Becijos, Jeanne, i Yan Forstrom. Contemporary English: Book 2. McGraw - Hill, 2003.