Cita APA (7a ed.)

Cooper D. David. (2003). How to Choose your A-Levels. Richmond, Trotman, 2003.

Cita Chicago Style (17a ed.)

Cooper D. David. How to Choose Your A-Levels. Richmond, Trotman, 2003, 2003.

Cita MLA (9a ed.)

Cooper D. David. How to Choose Your A-Levels. Richmond, Trotman, 2003, 2003.