APA (7th ed.) Zitazioa

(2003). Blueprints 2: Composition skills for academic writing. Houghton Mifflin.

Chicago Style (17th ed.) Zitazioa

Blueprints 2: Composition Skills for Academic Writing. Boston: Houghton Mifflin, 2003.

MLA (9th ed.) Zitazioa

Blueprints 2: Composition Skills for Academic Writing. Houghton Mifflin, 2003.