Lua APA (7ú heag.)
Schmidt-Bleek, F., Wiegandt, K., & Lustig, S. (2009). The Earth: Natural resources and human intervention. Haus Pub..
Lua i Stíl Chicago (17ú heag.)
Schmidt-Bleek, F., Klaus Wiegandt, agus Sandra Lustig. The Earth: Natural Resources and Human Intervention. London: Haus Pub., 2009.
Lua MLA (9ú heag.)
Schmidt-Bleek, F., et al. The Earth: Natural Resources and Human Intervention. Haus Pub., 2009.
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