Johnston, R. J., & Sidaway, J. D. (2004). Geography and geographers: Anglo- American human geography since 1945 (6th ed.). Arnold.
शिकागो स्टाइल उद्धरणJohnston, R. J., और J. D. Sidaway. Geography and Geographers: Anglo- American Human Geography Since 1945. 6th ed. London: Arnold, 2004.
एमएलए उद्धरणJohnston, R. J., और J. D. Sidaway. Geography and Geographers: Anglo- American Human Geography Since 1945. 6th ed. Arnold, 2004.
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