Farbman, Evelyn
Signals : a grammar and guide for writers
Houghton Miffiln, 1985
 Buku Referensi
Clouse, Barbara Fine
A troubleshooting guide for writers: strategies and process
McGraw-Hill, 2005
 Buku Teks
Shattock, Joanne
The Oxford guide to british women writers
Oxford University Press, 1993
 Buku Referensi
Farbman, Evelyn
Signals: a grammar and guide for writers / Evelyn Farbman
Houghton Miffiln, 1985
 Buku Teks
De Mente, Boye
Etiquette guide to Korea : know the rules that make the difference
Tuttle Publishing, 2008
 Buku Teks