(1994). Economy and ecology in sustainable development. Gramedia Pustaka Utama.
芝加哥风格引文Economy and Ecology in Sustainable Development. Jakarta: Gramedia Pustaka Utama, 1994.
MLA引文Economy and Ecology in Sustainable Development. Gramedia Pustaka Utama, 1994.
警告：这些引文格式不一定是100％准确.