Gupta, S. Environmentally Conscious Manufacturing IV. SPIE Digital Library.
Cita Chicago (17th ed.)Gupta, Surendra. Environmentally Conscious Manufacturing IV. SPIE Digital Library.
Cita MLA (9th ed.)Gupta, Surendra. Environmentally Conscious Manufacturing IV. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.