APA引文

(1969). Britannica book of the year 1969. Chicago: William Benton.

Trích dẫn kiểu Chicago

Britannica Book of the Year 1969. Chicago: William Benton, 1969.

MLA引文

Britannica Book of the Year 1969. Chicago: William Benton, 1969.

警告：這些引文格式不一定是100％准確.