Sendov, B., & Stančev, I. (1988). Children in the information age: Opportunities for creativity, innovation and new activities : selected papers from the Second International Conference, Sofia, Bulgaria, 19-23 May 1987. Pergamon Press.
Citazione stile Chigago Style (17a edizione)Sendov, Blagovest, e Ivan Stančev. Children in the Information Age: Opportunities for Creativity, Innovation and New Activities : Selected Papers from the Second International Conference, Sofia, Bulgaria, 19-23 May 1987. Oxford: Pergamon Press, 1988.
Citatione MLA (9a ed.)Sendov, Blagovest, e Ivan Stančev. Children in the Information Age: Opportunities for Creativity, Innovation and New Activities : Selected Papers from the Second International Conference, Sofia, Bulgaria, 19-23 May 1987. Pergamon Press, 1988.