DE BLIJ, H. J., & MULLER, P. O. (1988). Geography: Regions and concepts.-- ed.5. John Wiley and Sons.
芝加哥风格引文DE BLIJ, Harm J., 与 Peter O. MULLER. Geography: Regions and Concepts.-- Ed.5. New York: John Wiley and Sons, 1988.
MLA引文DE BLIJ, Harm J., 与 Peter O. MULLER. Geography: Regions and Concepts.-- Ed.5. John Wiley and Sons, 1988.
警告:这些引文格式不一定是100%准确.