APA (7th ed.) Citation

Abbs, B., & Freebairn, I. Opening Strategies - Strategeis 1 an integrated language course for beginners of english. Longman.

Chicago Style (17th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Opening Strategies - Strategeis 1 an Integrated Language Course for Beginners of English. Longman.

MLA (8th ed.) Citation

Abbs, Brian, and Ingrid Freebairn. Opening Strategies - Strategeis 1 an Integrated Language Course for Beginners of English. Longman.

Warning: These citations may not always be 100% accurate.