Altick, R. D. (1981). The Art of literary research (3rd ed.). Norton.
Chicago Style aipamenaAltick, Richard Daniel. The Art of Literary Research. 3rd ed. New York: Norton, 1981.
MLA aipamenaAltick, Richard Daniel. The Art of Literary Research. 3rd ed. Norton, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.