Παραπομπή σε μορφή APA (7η εκδ.)

Abbs, B., & Freebairn, I. (1987). Studying strategies: A core concept cource for first certificate examination. Longman.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Abbs, Brian, και Ingrid Freebairn. Studying Strategies: A Core Concept Cource for First Certificate Examination. London: Longman, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Abbs, Brian, και Ingrid Freebairn. Studying Strategies: A Core Concept Cource for First Certificate Examination. Longman, 1987.