Webster, B. R. (1975). Access: Technology and access to communications media. Unesco.
芝加哥风格引文Webster, Bernard R. Access: Technology and Access to Communications Media. Paris: Unesco, 1975.
MLA引文Webster, Bernard R. Access: Technology and Access to Communications Media. Unesco, 1975.
警告：这些引文格式不一定是100％准确.