SPES. (1994). Economy and Ecology In Sustainable Development. PT.Gramedia Pustaka.
Chicago Style (17th ed.) CitationSPES. Economy and Ecology In Sustainable Development. PT.Gramedia Pustaka, 1994.
MLA (8th ed.) CitationSPES. Economy and Ecology In Sustainable Development. PT.Gramedia Pustaka, 1994.
Warning: These citations may not always be 100% accurate.