APA ציטוט

Cortina, J., & Elder, J. Opening doors: Understanding college reading. Boston: McGraw-Hill.

Trích dẫn kiểu Chicago

Cortina, Joe., và Janet Elder. Opening Doors: Understanding College Reading. Boston: McGraw-Hill.

ציטוט MLA

Cortina, Joe., và Janet Elder. Opening Doors: Understanding College Reading. Boston: McGraw-Hill.