De Blij, H. J. (1973). Systematic political geography. New York: J. Wiley & Sons.
Chicago Style CitationDe Blij, Harm J. Systematic Political Geography. New York: J. Wiley & Sons, 1973.
MLA CitationDe Blij, Harm J. Systematic Political Geography. New York: J. Wiley & Sons, 1973.
Warning: These citations may not always be 100% accurate.