DE BLIJ, H. J. (1970). Geography regions and concepts. John Wiley and Sons.
芝加哥风格引文DE BLIJ, Harm J. Geography Regions and Concepts. New York: John Wiley and Sons, 1970.
MLA引文DE BLIJ, Harm J. Geography Regions and Concepts. John Wiley and Sons, 1970.
警告:这些引文格式不一定是100%准确.