एपीए उद्धरण

Sawyer, C. N. (1994). Chemistry for Environmental Engineering (4th edition.). New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Sawyer, Clair N. Chemistry for Environmental Engineering. 4th edition. New York: McGraw-Hill, 1994.

एमएलए उद्धरण

Sawyer, Clair N. Chemistry for Environmental Engineering. 4th edition. New York: McGraw-Hill, 1994.