Lua APA (7ú heag.)

Enger, F. (1957). Letters for special occasions. Mc Graw Hill.

Lua i Stíl Chicago (17ú heag.)

Enger, Frank. Letters for Special Occasions. New York: Mc Graw Hill, 1957.

Lua MLA (9ú heag.)

Enger, Frank. Letters for Special Occasions. Mc Graw Hill, 1957.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.