(1989). Writing For College A Practical Approach / Robert E. Yarber. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Writing For College A Practical Approach / Robert E. Yarber. Harper Collins, 1989.
Lua MLA (8ú heag.)Writing For College A Practical Approach / Robert E. Yarber. Harper Collins, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.