Spence, R. (1991). Clipper programming guide (2nd ed.). San Marcos, CA: Microtrend Books.
Chicago Style CitationSpence, Rick. Clipper Programming Guide. 2nd ed. San Marcos, CA: Microtrend Books, 1991.
MLA CitationSpence, Rick. Clipper Programming Guide. 2nd ed. San Marcos, CA: Microtrend Books, 1991.
Warning: These citations may not always be 100% accurate.