APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.