Association for Supervision and Curriculum Development & Squire, J. R. (1972). A new look at progressive education. s.n.
Цитирование в стиле Чикаго (17-е изд.)Association for Supervision and Curriculum Development и James R. Squire. A New Look at Progressive Education. Washington, D.C: s.n, 1972.
Цитирование MLA (9-е изд.)Association for Supervision and Curriculum Development и James R. Squire. A New Look at Progressive Education. s.n, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.