Harvey, G., & Hellewell, R. (1990). Mastering SuperCalc5. SYBEX.
Chicago Style (17th ed.) CitationHarvey, Greg, and Rick Hellewell. Mastering SuperCalc5. San Francisco: SYBEX, 1990.
MLA (9th ed.) CitationHarvey, Greg, and Rick Hellewell. Mastering SuperCalc5. SYBEX, 1990.
Warning: These citations may not always be 100% accurate.