Beekes, R. S. P. (1969). The development of the proto-Indo-European laryngeals in Greek. Mouton.
芝加哥风格引文Beekes, R. S. P. The Development of the Proto-Indo-European Laryngeals in Greek. The Hague, Netherlands: Mouton, 1969.
MLA引文Beekes, R. S. P. The Development of the Proto-Indo-European Laryngeals in Greek. Mouton, 1969.
警告：这些引文格式不一定是100％准确.