Martin, G. J. (1987). Geographers: Biobibliographical studies. Mansell.
Cita Chicago Style (17a ed.)Martin, Geoffrey J. Geographers: Biobibliographical Studies. London [etc.]: Mansell, 1987.
Cita MLA (9a ed.)Martin, Geoffrey J. Geographers: Biobibliographical Studies. Mansell, 1987.
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