Gaya APA

McGraw-Hill encyclopedia of environmental science and engineering / editors in chief, Sybil Parker, Robert A. Corbitt. (1993). : New York, McGraw-Hill.

Gaya MLA

McGraw-Hill encyclopedia of environmental science and engineering / editors in chief, Sybil Parker, Robert A. Corbitt. 3rd ed.. : New York, McGraw-Hill, 1993. Text.