DeCecco, J. P. Psychology of learning and instruction: Educational psychology.
Chicago-стиль цитированияDeCecco, John P. Psychology of Learning and Instruction: Educational Psychology.
MLA-цитированиеDeCecco, John P. Psychology of Learning and Instruction: Educational Psychology.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.