APA সাইটেশন

National Geographic Society. (2002). McGraw-Hill science. New York: McGraw-Hill.

শিকাগো স্টাইলে সাইটেশন

National Geographic Society. McGraw-Hill Science. New York: McGraw-Hill, 2002.

এমএলএ সাইটেশন

National Geographic Society. McGraw-Hill Science. New York: McGraw-Hill, 2002.