周国强 & 张青. (2010). 环境保护与可持续发展概论: Introduction to the environmental protection and sustainable development. 中国环境科学出版社.
Stile di citazione Chicago周国强 e 张青. 环境保护与可持续发展概论: Introduction to the Environmental Protection and Sustainable Development. 中国环境科学出版社, 2010.
Citazione MLA周国强 e 张青. 环境保护与可持续发展概论: Introduction to the Environmental Protection and Sustainable Development. 中国环境科学出版社, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.