Cita APA (7th ed.)

SCHOLASTICS. (2016). ACTIVE ENGLISH COURSEBOOK - 2. SCHOLASTIC INC.

Cita Chicago (17th ed.)

SCHOLASTICS. ACTIVE ENGLISH COURSEBOOK - 2. SINGAPORE: SCHOLASTIC INC, 2016.

Cita MLA (9th ed.)

SCHOLASTICS. ACTIVE ENGLISH COURSEBOOK - 2. SCHOLASTIC INC, 2016.