Fitch, J. M. (1984). Earth and astronomical sciences research centres: A world directory of organizations and programmes. Longman ; Distributed exclusively in USA, its possessions, and Canada by Gale Research Co..
芝加哥风格引文Fitch, Jennifer M. Earth and Astronomical Sciences Research Centres: A World Directory of Organizations and Programmes. Harlow, Essex, UK : Detroit, MI, USA: Longman ; Distributed exclusively in USA, its possessions, and Canada by Gale Research Co., 1984.
MLA引文Fitch, Jennifer M. Earth and Astronomical Sciences Research Centres: A World Directory of Organizations and Programmes. Longman ; Distributed exclusively in USA, its possessions, and Canada by Gale Research Co., 1984.
警告:这些引文格式不一定是100%准确.