Carpenter, R. A. (1992). Private investment and trade opportunities in air and water pollution control. East-West Center Institue for Economic Development and Policy.
Lua i Stíl Chicago (17ú heag.)Carpenter, Richard A. Private Investment and Trade Opportunities in Air and Water Pollution Control. Honolulu: East-West Center Institue for Economic Development and Policy, 1992.
Lua MLA (9ú heag.)Carpenter, Richard A. Private Investment and Trade Opportunities in Air and Water Pollution Control. East-West Center Institue for Economic Development and Policy, 1992.
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