Campbell, William Giles
Form and style in thesis writing
Houghton Mifflin, 1967
 Buku Teks
Science and technical writing: a manual of style
general editor, Philip Rubens
Henry Holt and Company, 1992
 Buku Referensi
From murk to masterpiece: style for business writing
by Geraldine Henze
Richard D. Irwin, 1984
 Buku Teks SO
Willis, Hulon
Structure, style and usage : a guide to expository writing / Hulon Willis
Hlot, Rinehart, 1964
 Buku Teks
Bivins,Thomas
Public relations writing : the essentials of style and format / by Thomas Bivins
McGraw-Hill, 2008
 Buku Teks