APA-referens

Carver, S. M., & Klahr, D. (2001). Cognition and instruction.: Twenty-five years of progress. Lawrence Erlbaum Associates.

Chicago-stil citat

Carver, Sharon M., och David Klahr. Cognition and Instruction.: Twenty-five Years of Progress. Mahwah, NJ: Lawrence Erlbaum Associates, 2001.

MLA-referens

Carver, Sharon M., och David Klahr. Cognition and Instruction.: Twenty-five Years of Progress. Lawrence Erlbaum Associates, 2001.