APA引文

(1982). Countries of the world and their leaders yearbook 1982. Gale Research Co..

芝加哥风格引文

Countries of the World and Their Leaders Yearbook 1982. Detroit, Mich.: Gale Research Co., 1982.

MLA引文

Countries of the World and Their Leaders Yearbook 1982. Gale Research Co., 1982.

警告：这些引文格式不一定是100％准确.