Cita APA (7a ed.)

Carter, C. (1999). Keys to study skills: Opening doors to learning. Prentice Hall.

Cita Chicago Style (17a ed.)

Carter, Carol. Keys to Study Skills: Opening Doors to Learning. Upper Saddle River, N.J: Prentice Hall, 1999.

Cita MLA (9a ed.)

Carter, Carol. Keys to Study Skills: Opening Doors to Learning. Prentice Hall, 1999.