Cooper D. David. (2003). How to Choose your A-Levels. Richmond, Trotman, 2003.
Cita Chicago (17th ed.)Cooper D. David. How to Choose Your A-Levels. Richmond, Trotman, 2003, 2003.
Cita MLA (9th ed.)Cooper D. David. How to Choose Your A-Levels. Richmond, Trotman, 2003, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.