APA (7th ed.) Zitazioa

Blair, W. (1949). Factual prose. Scott, Foresman.

Chicago Style (17th ed.) Zitazioa

Blair, Walter. Factual Prose. New York: Scott, Foresman, 1949.

MLA (9th ed.) Zitazioa

Blair, Walter. Factual Prose. Scott, Foresman, 1949.