Cartes, C., Bishop, J., Bixby, M., & Kravits, S. L. (1999). KEYS to study skills: Opening doors to learning. Prentice Hall.
Cita Chicago Style (17a ed.)Cartes, Carol, Joyce Bishop, Mary Bixby, y Sarah Lyman Kravits. KEYS to Study Skills: Opening Doors to Learning. Upper Saddle River: Prentice Hall, 1999.
Cita MLA (8a ed.)Cartes, Carol, et al. KEYS to Study Skills: Opening Doors to Learning. Prentice Hall, 1999.
Precaución: Estas citas no son 100% exactas.