Farbman, Evelyn
Signals: a grammar and guide for writers / Evelyn Farbman
Houghton Miffiln, 1985
 Buku Teks SO
Muhammad Tesar Pamungkas
Rules of thumb: a guide for writers
McGraw-Hill, 2002
 Buku Teks SO
Muhammad Tesar Pamungkas
Rules of thumb : a guide for writers
McGraw-Hill , 1990
 Multimedia
Beason, Larry
A Commonsense guide to grammar and usage
Bredfors/ St. Martins, 2003
 Buku Teks
Shattock, Joanne
The Oxford guide to british women writers
Oxford University Press, 1993
 Buku Referensi