Abler, R., Adams, J. S., & Gould, P. (1977). Spatial organization (2nd ed.). Prentice/Hall International.
Cita Chicago Style (17a ed.)Abler, Ronald, John S. Adams, y Peter Gould. Spatial Organization. 2nd ed. London: Prentice/Hall International, 1977.
Cita MLA (9a ed.)Abler, Ronald, et al. Spatial Organization. 2nd ed. Prentice/Hall International, 1977.
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