Cita APA (7th ed.)

BURT, A. (2012). KEY COMPPREHENSION BOOK- 2. GINN.

Cita Chicago (17th ed.)

BURT, ANGELA. KEY COMPPREHENSION BOOK- 2. GINN, 2012.

Cita MLA (9th ed.)

BURT, ANGELA. KEY COMPPREHENSION BOOK- 2. GINN, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.