BLIJ, H. J. (1974). Essentials of geography: Regions and concepts. John Wiley and Sons.
芝加哥风格引文BLIJ, Harm J. Essentials of Geography: Regions and Concepts. New York: John Wiley and Sons, 1974.
MLA引文BLIJ, Harm J. Essentials of Geography: Regions and Concepts. John Wiley and Sons, 1974.
警告：这些引文格式不一定是100％准确.