APA (7th ed.) Citation
Abbs, B., & Freebairn, I. (1989). Blueprint intermediate: Student's book. Longman.
Chicago Style (17th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Blueprint Intermediate: Student's Book. England: Longman, 1989.
MLA (9th ed.) Citation
Abbs, Brian, and Ingrid Freebairn. Blueprint Intermediate: Student's Book. Longman, 1989.
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