Beekes, R. S. P. (1969). The development of the proto-Indo-European laryngeals in Greek. Mouton.
Chicago Style aipamenaBeekes, R. S. P. The Development of the Proto-Indo-European Laryngeals in Greek. The Hague, Paris: Mouton, 1969.
MLA aipamenaBeekes, R. S. P. The Development of the Proto-Indo-European Laryngeals in Greek. Mouton, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.