Halpern, D. F. (1997). Critical thinking across the curriculum: A brief edition of thought and knowledge. Lawrence Erlbaum Associates.
Citazione stile Chigago Style (17a edizione)Halpern, Diane F. Critical Thinking Across the Curriculum: A Brief Edition of Thought and Knowledge. Mahwah: Lawrence Erlbaum Associates, 1997.
Citatione MLA (9a ed.)Halpern, Diane F. Critical Thinking Across the Curriculum: A Brief Edition of Thought and Knowledge. Lawrence Erlbaum Associates, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.