Umans, S. (1972). Management of education: A Systematic design for educational. Pitman.
Chicago-стиль цитированияUmans, Shelley. Management of Education: A Systematic Design for Educational. Pitman, 1972.
MLA-цитированиеUmans, Shelley. Management of Education: A Systematic Design for Educational. Pitman, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.