Laws and rules in Indo-European. Oxford University Press.
芝加哥风格引文Laws and Rules in Indo-European. Oxford University Press.
MLA引文Laws and Rules in Indo-European. Oxford University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Laws and rules in Indo-European. Oxford University Press.
芝加哥风格引文Laws and Rules in Indo-European. Oxford University Press.
MLA引文Laws and Rules in Indo-European. Oxford University Press.