McGraw-Hill, inc. (2005). McGraw-Hill's TOEFL computer-based test. McGraw-Hill.
Chicago Style aipamenaMcGraw-Hill, inc. McGraw-Hill's TOEFL Computer-based Test. New York: McGraw-Hill, 2005.
MLA aipamenaMcGraw-Hill, inc. McGraw-Hill's TOEFL Computer-based Test. McGraw-Hill, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.