APA引文

IMS Press. (1987). Gale directory of publications. Gale Research.

Chicago Style (17th ed.) Citation

IMS Press. Gale Directory of Publications. Detroit, Mich.: Gale Research, 1987.

MLA引文

IMS Press. Gale Directory of Publications. Gale Research, 1987.

警告：这些引文格式不一定是100％准确.