APA引文

(1991). UPM graduates 3,300 studes. U.P. Newsletter.

芝加哥风格引文

"UPM Graduates 3,300 Studes." U.P. Newsletter 1991.

MLA引文

"UPM Graduates 3,300 Studes." U.P. Newsletter, 1991.

警告：这些引文格式不一定是100％准确.