Cita APA (7a ed.)
Abbs, B., & Freebairn, I. (1991). Studying Strategies: Teacher's Book. Strategies 4 (9.impression.). Longman Group UK.
Cita Chicago Style (17a ed.)
Abbs, Brian, y Ingrid Freebairn. Studying Strategies: Teacher's Book. Strategies 4. 9.impression. Harlow: Longman Group UK, 1991.
Cita MLA (9a ed.)
Abbs, Brian, y Ingrid Freebairn. Studying Strategies: Teacher's Book. Strategies 4. 9.impression. Longman Group UK, 1991.
Precaución: Estas citas no son 100% exactas.