Tripathi,Saileja. (2017). Student companion to Mark Twain. Pearl Books.
Chicago Style aipamenaTripathi,Saileja. Student Companion to Mark Twain. New Delhi: Pearl Books, 2017.
MLA aipamenaTripathi,Saileja. Student Companion to Mark Twain. Pearl Books, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.