Clifford, L. (1975). National scientific and technical information coordinating organisations: A comparative survey. Institute for Industrial Research and Standards.
芝加哥风格引文Clifford, Liam. National Scientific and Technical Information Coordinating Organisations: A Comparative Survey. [Dublin]: Institute for Industrial Research and Standards, 1975.
MLA引文Clifford, Liam. National Scientific and Technical Information Coordinating Organisations: A Comparative Survey. Institute for Industrial Research and Standards, 1975.
警告：这些引文格式不一定是100％准确.