Grubb, M. (1993). The "Earth Summit" agreements: A guide and assessment, an analysis of the Rio ’92 UN Conference on Environment and Development. Earthscan Publications Ltd. ; Brookings Institution [distributor].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrubb, Michael. The "Earth Summit" Agreements: A Guide and Assessment, an Analysis of the Rio ’92 UN Conference on Environment and Development. London : Washington, DC: Earthscan Publications Ltd. ; Brookings Institution [distributor], 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrubb, Michael. The "Earth Summit" Agreements: A Guide and Assessment, an Analysis of the Rio ’92 UN Conference on Environment and Development. Earthscan Publications Ltd. ; Brookings Institution [distributor], 1993.
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