The London Group of the Union of Socialist Geographers, e. (1983). Society and nature: Socialist perspectives on the relationship between human and physical geography. The author.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe London Group of the Union of Socialist Geographers, ed. Society and Nature: Socialist Perspectives on the Relationship Between Human and Physical Geography. The author, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe London Group of the Union of Socialist Geographers, ed. Society and Nature: Socialist Perspectives on the Relationship Between Human and Physical Geography. The author, 1983.
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