Citazione Stile APA (7a Edizione)

Havelock, R. G., & Huberman, A. M. (1977). Solving educational problems: The theory and reality of innovation in developing countries. Unesco.

Citazione stile Chigago Style (17a edizione)

Havelock, Ronald G., e A. Michael Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Paris: Unesco, 1977.

Citatione MLA (9a ed.)

Havelock, Ronald G., e A. Michael Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Unesco, 1977.