Lerner, S. (1991). Earth summit: Conversations with architects of an ecologically sustainable future. Bookmark.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLerner, Steve. Earth Summit: Conversations with Architects of an Ecologically Sustainable Future. [Manila]: Bookmark, 1991.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLerner, Steve. Earth Summit: Conversations with Architects of an Ecologically Sustainable Future. Bookmark, 1991.
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