Tolkien, J. R. R., & Gilson, C. (1995). i Lam na Ngoldathon =: The grammar and lexicon of the Gnomish tongue. Tolkien Trust.
Chicago Style aipamenaTolkien, J. R. R., and Christopher Gilson. I Lam Na Ngoldathon =: The Grammar and Lexicon of the Gnomish Tongue. Cupertino, Calif.: Tolkien Trust, 1995.
MLA aipamenaTolkien, J. R. R., and Christopher Gilson. I Lam Na Ngoldathon =: The Grammar and Lexicon of the Gnomish Tongue. Tolkien Trust, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.