Cita APA (7th ed.)
Hinrichs, R. (1996). Energy: Its use and the environment (2nd ed.). Saunders College Pub..
Cita Chicago (17th ed.)
Hinrichs, Roger. Energy: Its Use and the Environment. 2nd ed. Ft. Worth: Saunders College Pub., 1996.
Cita MLA (9th ed.)
Hinrichs, Roger. Energy: Its Use and the Environment. 2nd ed. Saunders College Pub., 1996.
Atenció: Aquestes cites poden no estar 100% correctes.