Blanc, E., & Egger, E. (1978). Educational innovations in Switzerland: Traits and trends. Unesco.
Lua i Stíl Chicago (17ú heag.)Blanc, Emile, agus Eugen Egger. Educational Innovations in Switzerland: Traits and Trends. Paris: Unesco, 1978.
Lua MLA (8ú heag.)Blanc, Emile, agus Eugen Egger. Educational Innovations in Switzerland: Traits and Trends. Unesco, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.