Cita APA (7th ed.)

Pimentel David & International Association for Mathematical Geology. Ethanol fuels , energy balance, economics, and environmental impacts are negative.

Cita Chicago (17th ed.)

Pimentel David i International Association for Mathematical Geology. Ethanol Fuels , Energy Balance, Economics, and Environmental Impacts Are Negative.

Cita MLA (9th ed.)

Pimentel David i International Association for Mathematical Geology. Ethanol Fuels , Energy Balance, Economics, and Environmental Impacts Are Negative.

Atenció: Aquestes cites poden no estar 100% correctes.