APA (7th ed.) Zitazioa

Halpern, D. F. (1997). Critical thinking across the curriculum: A brief edition of thought and knowledge. Lawrence Erlbaum Associates.

Chicago Style (17th ed.) Zitazioa

Halpern, Diane F. Critical Thinking Across the Curriculum: A Brief Edition of Thought and Knowledge. Mahwah: Lawrence Erlbaum Associates, 1997.

MLA (9th ed.) Zitazioa

Halpern, Diane F. Critical Thinking Across the Curriculum: A Brief Edition of Thought and Knowledge. Lawrence Erlbaum Associates, 1997.