HARRINGTON, P. (2009). SECRET TO TEEN POWER. SIMON & SCHUSTER.
Cita Chicago (17th ed.)HARRINGTON, P. SECRET TO TEEN POWER. LONDON: SIMON & SCHUSTER, 2009.
Cita MLA (9th ed.)HARRINGTON, P. SECRET TO TEEN POWER. SIMON & SCHUSTER, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.