Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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