Ross, S., & Guo, P. J. (1988). Design and Selection of Small Wastewater Treatment Systems. Geo-Environ Academia.
Chicago Edition CitationRoss, S.A, and P.H.M Jank Guo. Design and Selection of Small Wastewater Treatment Systems. Jodhpur: Geo-Environ Academia, 1988.
Deismireacht MLARoss, S.A, and P.H.M Jank Guo. Design and Selection of Small Wastewater Treatment Systems. Geo-Environ Academia, 1988.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.