Parrish, B. (2004). Teaching adult ESL: A practical introduction. McGraw-Hill ESL/ELT.
Lua i Stíl Chicago (17ú heag.)Parrish, Betsy. Teaching Adult ESL: A Practical Introduction. New York: McGraw-Hill ESL/ELT, 2004.
Lua MLA (8ú heag.)Parrish, Betsy. Teaching Adult ESL: A Practical Introduction. McGraw-Hill ESL/ELT, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.