Lockwood, W. B. (1977). Indo-European Philology. Hutchinson.
Chicago Style aipamenaLockwood, W. B. Indo-European Philology. London: Hutchinson, 1977.
MLA aipamenaLockwood, W. B. Indo-European Philology. Hutchinson, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.