(2008). McGraw-Hill Concise Encyclopedia of Science and Technology, Sixth Edition (McGraw-Hill Concise Encyclopedia of Science & Technology) (Tái bản lần thứ 6.). American: Mc Graw Hill.
Chicago Style aipamenaMcGraw-Hill Concise Encyclopedia of Science and Technology, Sixth Edition (McGraw-Hill Concise Encyclopedia of Science & Technology). Tái bản lần thứ 6. American: Mc Graw Hill, 2008.
MLA aipamenaMcGraw-Hill Concise Encyclopedia of Science and Technology, Sixth Edition (McGraw-Hill Concise Encyclopedia of Science & Technology). Tái bản lần thứ 6. American: Mc Graw Hill, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.