Foerster, V. E. (1978). Worlds on Worlds: Journalistic writing. Prentice Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Englewood Cliffs, New Jersey: Prentice Hall, Inc, 1978.
Lua MLA (9ú heag.)Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Prentice Hall, Inc, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.