173748 Ewing, D. W. (1974). Writing for results: In business, govrenment and the professions. NY : J Wiley.
Chicago-viite (17. p.)173748 Ewing, David W. Writing for Results: In Business, Govrenment and the Professions. NY : J Wiley, 1974.
MLA-viite (9. p.)173748 Ewing, David W. Writing for Results: In Business, Govrenment and the Professions. NY : J Wiley, 1974.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.