APA aipamena

Kerrod, R. (1997). Macmillan Encyclopedia of Science 12: Tools and Tomorrow. Macmillan Reference.

Chicago Style aipamena

Kerrod, Robin. Macmillan Encyclopedia of Science 12: Tools and Tomorrow. Macmillan Reference, 1997.

MLA aipamena

Kerrod, Robin. Macmillan Encyclopedia of Science 12: Tools and Tomorrow. Macmillan Reference, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.