Cita APA (7a ed.)
Abbs, B., & Freebairn, I. (1993). Studying Strategies. Teacher's Book.: Strategies 4 (10th impression.). Longman Group UK.
Cita Chicago Style (17a ed.)
Abbs, Brian, y Ingrid Freebairn. Studying Strategies. Teacher's Book.: Strategies 4. 10th impression. Harlow: Longman Group UK, 1993.
Cita MLA (9a ed.)
Abbs, Brian, y Ingrid Freebairn. Studying Strategies. Teacher's Book.: Strategies 4. 10th impression. Longman Group UK, 1993.
Precaución: Estas citas no son 100% exactas.