APA (7th ed.) Zitazioa
Blau, S. (1992). The writer's craft: Idea to expression. McDougal.
Chicago Style (17th ed.) Zitazioa
Blau, Sheridan. The Writer's Craft: Idea to Expression. New York: McDougal, 1992.
MLA (9th ed.) Zitazioa
Blau, Sheridan. The Writer's Craft: Idea to Expression. McDougal, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.