Fowler, J. M. (1975). Energy-environment sourcebook. National Science Teachers Association.
Cita Chicago (17th ed.)Fowler, John M. Energy-environment Sourcebook. Washington: National Science Teachers Association, 1975.
Cita MLA (9th ed.)Fowler, John M. Energy-environment Sourcebook. National Science Teachers Association, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.