Douglass, P. (1957). Communication Through Reports. Preentice-Hall,Inc.
Chicago Style aipamenaDouglass, Paul. Communication Through Reports. New Jersy: Preentice-Hall,Inc, 1957.
MLA aipamenaDouglass, Paul. Communication Through Reports. Preentice-Hall,Inc, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.