Gaya APA

Inc, M. (1987). McGraw- Hill Encyclopedia of Science & Technology Volume 4 CLI - CYT (Ed. 6). New York: McGraw-Hill Book Company.

Gaya MLA

Inc, McGraw-Hill. "McGraw- Hill Encyclopedia of Science & Technology Volume 4 CLI - CYT". Ed. 6 New York: McGraw-Hill Book Company, 1987. Text.