APA استشهاد

Ross, S., & Guo, P. J. (1988). Design and Selection of Small Wastewater Treatment Systems. Geo-Environ Academia.

استشهاد بنمط شيكاغو

Ross, S.A, و P.H.M Jank Guo. Design and Selection of Small Wastewater Treatment Systems. Jodhpur: Geo-Environ Academia, 1988.

MLA استشهاد

Ross, S.A, و P.H.M Jank Guo. Design and Selection of Small Wastewater Treatment Systems. Geo-Environ Academia, 1988.