Havelock, R. G., & Huberman, A. M. (1977). Solving educational problems: The theory and reality of innovation in developing countries. Unesco.
Цитирование в стиле Чикаго (17-е изд.)Havelock, Ronald G., и A. M. Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Paris: Unesco, 1977.
Цитирование MLA (9-е изд.)Havelock, Ronald G., и A. M. Huberman. Solving Educational Problems: The Theory and Reality of Innovation in Developing Countries. Unesco, 1977.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.