APA (7e ed.) Bronvermelding

Schmidt-Bleek, F., Wiegandt, K., & Lustig, S. (2009). The Earth: Natural resources and human intervention. Haus Pub..

Chicago (17e ed.) Bronvermelding

Schmidt-Bleek, F., Klaus Wiegandt, en Sandra Lustig. The Earth: Natural Resources and Human Intervention. London: Haus Pub., 2009.

MLA (9e ed.) Bronvermelding

Schmidt-Bleek, F., et al. The Earth: Natural Resources and Human Intervention. Haus Pub., 2009.