Salone, M. J. (1987). How to copyright software (2nd ed.). Nolo Press.
芝加哥风格引文Salone, M. J. How to Copyright Software. 2nd ed. Berkeley, Calif.: Nolo Press, 1987.
MLA引文Salone, M. J. How to Copyright Software. 2nd ed. Nolo Press, 1987.
警告：这些引文格式不一定是100％准确.