APA (7th ed.) Zitazioa

Day, S. (1980). The writer's workbook. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Day, Susan. The Writer's Workbook. New York: McGraw-Hill, 1980.

MLA (9th ed.) Zitazioa

Day, Susan. The Writer's Workbook. McGraw-Hill, 1980.