Sewell, W. R. D., Coppock, J. T., & Pitkethly, A. (1985). Institutional innovation in water management: The Scottish experience. Geo.
Lua i Stíl Chicago (17ú heag.)Sewell, W. R. Derrick, J. T. Coppock, agus Alan Pitkethly. Institutional Innovation in Water Management: The Scottish Experience. Norwich: Geo, 1985.
Lua MLA (9ú heag.)Sewell, W. R. Derrick, et al. Institutional Innovation in Water Management: The Scottish Experience. Geo, 1985.
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