Readers Digest. (1994). Teasers and tests. RDI.
Lua i Stíl Chicago (17ú heag.)Readers Digest. Teasers and Tests. Bombay: RDI, 1994.
Lua MLA (9ú heag.)Readers Digest. Teasers and Tests. RDI, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.