[2010-12-30]. (原始内容存档于2013-01-24). R.L. Stine – Part II. ReadingIsFundamental(英语:ReadingIsFundamental). [2013-08-17]. (原始内容存档于2013-08-06). Milliot, Jim
1998. ISBN 978-0072362268. Knuth, Donald. Fundamental algorithms. The Art of Computer Programming 1 3rd. Reading, MA: Addison-Wesley Professional. 1997.
read operation is (f…), then the form of the write is (setf (f…) newvalue), and that is all the programmer needs to know about reading and writing data