Citazione Stile APA (7a Edizione)
Abbs, B., & Freebairn, I. (1990). Building Strategies: Strategies 2: An Integrated Language Course for Learners of English. Students Book (1. Edition, (21. Impression).). Longman Group UK.
Citazione stile Chigago Style (17a edizione)
Abbs, Brian, e Ingrid Freebairn. Building Strategies: Strategies 2: An Integrated Language Course for Learners of English. Students Book. 1. Edition, (21. Impression). Harlow: Longman Group UK, 1990.
Citatione MLA (9a ed.)
Abbs, Brian, e Ingrid Freebairn. Building Strategies: Strategies 2: An Integrated Language Course for Learners of English. Students Book. 1. Edition, (21. Impression). Longman Group UK, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.