APA引文

(2000). Worldmark yearbook 2000. Gale Group.

芝加哥风格引文

Worldmark Yearbook 2000. Detriot: Gale Group, 2000.

MLA引文

Worldmark Yearbook 2000. Gale Group, 2000.

警告：这些引文格式不一定是100％准确.