Day, A. J., & Hoffman, V. (1994). The annual register: A record of world events 1993. Longman.
芝加哥风格引文Day, Alan J., 与 Verena Hoffman. The Annual Register: A Record of World Events 1993. London, [England]: Longman, 1994.
MLA引文Day, Alan J., 与 Verena Hoffman. The Annual Register: A Record of World Events 1993. Longman, 1994.
警告：这些引文格式不一定是100％准确.