International Geographical Union. Commission on the History of Geographical Thought, International Geographical Union, International Union of the History and Philosophy of Science, ebrary, Inc, Lorimer, H., & Withers, C. W. J. (2010). Geographers biobibliographical studies. Continuum.
Dyfyniad Arddull ChicagoInternational Geographical Union. Commission on the History of Geographical Thought, International Geographical Union, International Union of the History and Philosophy of Science, Inc ebrary, Hayden Lorimer, and Charles W. J. Withers. Geographers Biobibliographical Studies. London: Continuum, 2010.
Dyfyniad MLAInternational Geographical Union. Commission on the History of Geographical Thought, et al. Geographers Biobibliographical Studies. Continuum, 2010.