Παραπομπή APA
Hinrichs, R. (1996). Energy: Its use and the environment (2nd ed.). Fort Worth: Saunders College Pub..
Παραπομπή Chicago StyleHinrichs, Roger. Energy: Its Use and the Environment. 2nd ed. Fort Worth: Saunders College Pub., 1996.
Παραπομπή MLAHinrichs, Roger. Energy: Its Use and the Environment. 2nd ed. Fort Worth: Saunders College Pub., 1996.
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