Holtz, H. (1983). Persuasive writing: Getting your message across in business. McGraw-Hill.
Chicago Style (17th ed.) ZitazioaHoltz, Herman. Persuasive Writing: Getting Your Message Across in Business. New York: McGraw-Hill, 1983.
MLA (9th ed.) ZitazioaHoltz, Herman. Persuasive Writing: Getting Your Message Across in Business. McGraw-Hill, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.