1. Hume, J. N. P., &Holt, R. C. (1982)UCSD Pascal: A beginners guide to programming microcomputers, Reston, VA: Reston.
2. Luehrmann, A., &Peckham, H. (1981).Apple Pascal: A hands on approach. New York: McGraw-Hill.
3. Osgood, G. (1984a).Hardware implementation and utility manual. Eugene, OR: University of Oregon.
4. Osgood, G. (1984b)Software program development guide. Eugene, OR: University of Oregon.
5. Osgood, G. (1988) Generalizing the Apple-Psych system.Behavior Research Methods, Instruments, & Computers,20, 155–157.