APA aipamena

(1969). Pioneers in electronic digital watch technology. New Jersey: OPTEL.

Chicago Style aipamena

Pioneers in Electronic Digital Watch Technology. New Jersey: OPTEL, 1969.

MLA aipamena

Pioneers in Electronic Digital Watch Technology. New Jersey: OPTEL, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.