Krause, R. (1992). Natural resources and development. A biannual collection of recent german contributions concerning the exploration and exploitation of natural resources. Vol. 36 ([1st ed.].). Institute for Scientific Co-Operation.
Citace podle Chicago (17th ed.)Krause, Rüdiger. Natural Resources and Development. A Biannual Collection of Recent German Contributions Concerning the Exploration and Exploitation of Natural Resources. Vol. 36. [1st ed.]. Tübingen: Institute for Scientific Co-Operation, 1992.
Citace podle MLA (9th ed.)Krause, Rüdiger. Natural Resources and Development. A Biannual Collection of Recent German Contributions Concerning the Exploration and Exploitation of Natural Resources. Vol. 36. [1st ed.]. Institute for Scientific Co-Operation, 1992.