Hillis, D. R., & DuVall, J. B. (2013). Improving profitability through green manufacturing: Creating a profitable and environmentally compliant manufacturing facility. Wiley. https://doi.org/10.1002/9781118391891
Παραπομπή σε μορφή Chicago (17η εκδ.)Hillis, David R., και John Barry DuVall. Improving Profitability Through Green Manufacturing: Creating a Profitable and Environmentally Compliant Manufacturing Facility. Hoboken, New Jersey: Wiley, 2013. https://doi.org/10.1002/9781118391891.
Παραπομπή σε μορφή MLA (8th εκδ.)Hillis, David R., και John Barry DuVall. Improving Profitability Through Green Manufacturing: Creating a Profitable and Environmentally Compliant Manufacturing Facility. Wiley, 2013. https://doi.org/10.1002/9781118391891.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.