Lua APA (7ú heag.)

Lengrand, P. (1970). An introduction to lifelong education. Unesco.

Lua i Stíl Chicago (17ú heag.)

Lengrand, Paul. An Introduction to Lifelong Education. [Paris]: Unesco, 1970.

Lua MLA (9ú heag.)

Lengrand, Paul. An Introduction to Lifelong Education. Unesco, 1970.

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