Citazione Stile APA (7a Edizione)

Nagy, J. (1980). The Hungarian experience of OOK: An instrument for the development of educational technology. UNESCO.

Citazione stile Chigago Style (17a edizione)

Nagy, József. The Hungarian Experience of OOK: An Instrument for the Development of Educational Technology. Paris: UNESCO, 1980.

Citatione MLA (9a ed.)

Nagy, József. The Hungarian Experience of OOK: An Instrument for the Development of Educational Technology. UNESCO, 1980.