Citazione Stile APA (7a Edizione)

Abbs, B., Ayton, A., & Freebairn, I. (1975). Strategies: Integrated english language materials (1a. ed.). Longman.

Citazione stile Chigago Style (17a edizione)

Abbs, Brian, Angela Ayton, e Ingrid Freebairn. Strategies: Integrated English Language Materials. 1a. ed. Essex: Longman, 1975.

Citatione MLA (9a ed.)

Abbs, Brian, et al. Strategies: Integrated English Language Materials. 1a. ed. Longman, 1975.