APA সাইটেশন

(1997). McGraw-Hill encyclopedia of science and technology; Vol.19: ULC - ZYG. New York: McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

McGraw-Hill Encyclopedia of Science and Technology; Vol.19: ULC - ZYG. New York: McGraw-Hill, 1997.

এমএলএ সাইটেশন

McGraw-Hill Encyclopedia of Science and Technology; Vol.19: ULC - ZYG. New York: McGraw-Hill, 1997.