Style de citation APA (7e éd.)
Abbs, B., & Freebairn, I. (1989). Opening Strategies 1. Teachers Book. Workbook. Student's Book. Longman Group UK.
Style de citation Chicago (17e éd.)
Abbs, Brian, et Ingrid Freebairn. Opening Strategies 1. Teachers Book. Workbook. Student's Book. Harlow: Longman Group UK, 1989.
Style de citation MLA (9e éd.)
Abbs, Brian, et Ingrid Freebairn. Opening Strategies 1. Teachers Book. Workbook. Student's Book. Longman Group UK, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.