APA aipamena

Cortina Joe, & Elder Janet. (2005). Opening Doors: Understanding College Reading. American: MC Graw Hill.

Chicago Style aipamena

Cortina Joe, và Elder Janet. Opening Doors: Understanding College Reading. American: MC Graw Hill, 2005.

MLA aipamena

Cortina Joe, và Elder Janet. Opening Doors: Understanding College Reading. American: MC Graw Hill, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.