APA (7th ed.) Zitazioa

(2006). Error patterns in computation: Using error patterns to improve instruction / Robert B. Ashlock.

Chicago Style (17th ed.) Zitazioa

Error Patterns in Computation: Using Error Patterns to Improve Instruction / Robert B. Ashlock. 2006.

MLA (9th ed.) Zitazioa

Error Patterns in Computation: Using Error Patterns to Improve Instruction / Robert B. Ashlock. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.