Archer, J., & Dalton, T. H. (1970). Field work in geography (2nd ed.). Batsford.
Cita Chicago Style (17a ed.)Archer, J.E, y T. H. Dalton. Field Work in Geography. 2nd ed. London: Batsford, 1970.
Cita MLA (9a ed.)Archer, J.E, y T. H. Dalton. Field Work in Geography. 2nd ed. Batsford, 1970.
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