Παραπομπή APA

Brown, C. E. (2002). World energy resources: International geohydroscience and energy research institute. Springer.

Παραπομπή Chicago Style

Brown, Charles E. World Energy Resources: International Geohydroscience and Energy Research Institute. New York: Springer, 2002.

Παραπομπή MLA

Brown, Charles E. World Energy Resources: International Geohydroscience and Energy Research Institute. Springer, 2002.