Lua APA (7ú heag.)

EUROPA PUBLICATIONS LTDA. (1997). The world of learning 1998 (ed.48.). Europa Publications limited.

Lua i Stíl Chicago (17ú heag.)

EUROPA PUBLICATIONS LTDA. The World of Learning 1998. ed.48. London: Europa Publications limited, 1997.

Lua MLA (9ú heag.)

EUROPA PUBLICATIONS LTDA. The World of Learning 1998. ed.48. Europa Publications limited, 1997.

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