Symons, L., Dewdney, J. C., Hooson, D., Mellor, R., & Newey, W. (1992). The Soviet Union: A systematic geography (2nd ed.). Hodder & Stoughton.
Cita Chicago Style (17a ed.)Symons, Leslie, J. C. Dewdney, D.J.M Hooson, R.E.H Mellor, y W.W Newey. The Soviet Union: A Systematic Geography. 2nd ed. London: Hodder & Stoughton, 1992.
Cita MLA (9a ed.)Symons, Leslie, et al. The Soviet Union: A Systematic Geography. 2nd ed. Hodder & Stoughton, 1992.
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