Sawyer, C. N., Mccarty, P. L., & Parkin, G. F. (1994). Chemistry for Environmental Engineering. Singapore: McGraw-Hill.
استشهاد بنمط شيكاغوSawyer, Clair N., Perry L. Mccarty, و Gene F. Parkin. Chemistry for Environmental Engineering. Singapore: McGraw-Hill, 1994.
MLA استشهادSawyer, Clair N., Perry L. Mccarty, و Gene F. Parkin. Chemistry for Environmental Engineering. Singapore: McGraw-Hill, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.