Van Baelen. The Lower to Middle Palaeolithic Transition in Northwestern Europe. Leuven University Press.
芝加哥风格引文Van Baelen. The Lower to Middle Palaeolithic Transition in Northwestern Europe. Leuven University Press.
MLA引文Van Baelen. The Lower to Middle Palaeolithic Transition in Northwestern Europe. Leuven University Press.
警告：这些引文格式不一定是100％准确.