Standal, T. C., & Betza, R. E. (1990). Context area reading: Teachings, texts, students. Prentice-Hall.
Chicago Style (17th ed.) ZitazioaStandal, Timothy C., eta Ruth E. Betza. Context Area Reading: Teachings, Texts, Students. New Jersey: Prentice-Hall, 1990.
MLA (9th ed.) ZitazioaStandal, Timothy C., eta Ruth E. Betza. Context Area Reading: Teachings, Texts, Students. Prentice-Hall, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.