Davis, Ken
Better business writing: a process approach
Charles E. Merrill, 1983
 Buku Teks SO
Sigband, Norman B.
Effective report writing, for business, industry, and government
Harper & Brothers, 1960
 Buku Teks SO
Weaver, Patricia C.
Persuasive writing : a manager’s guide to effective letters and reports
Free Press, 1977
 Buku Teks SO
Gartside, L. [Leonard]
Model business letters : a classified selection of modern business letters for use in school and in business
Macdonald and Evans, 1982
 Buku Teks SO
Meyer, Harold E.
Lifetime encyclopedia of letters
Prentice-Hall, 1992
 Buku Referensi