Boston, R. E. (1972). How to write and use performance objectives to individualize instruction. Educational Technology Publications.
Цитирование в стиле Чикаго (17-е изд.)Boston, Robert E. How to Write and Use Performance Objectives to Individualize Instruction. Englewood Cliffs, N. J.: Educational Technology Publications, 1972.
Цитирование MLA (8-е изд.)Boston, Robert E. How to Write and Use Performance Objectives to Individualize Instruction. Educational Technology Publications, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.