APA (7th ed.) Citation

Clark, R. E. (1983). Executive VisiCalc for the apple computer. National Book Store.

Chicago Style (17th ed.) Citation

Clark, Roger E. Executive VisiCalc for the Apple Computer. Manila: National Book Store, 1983.

MLA (9th ed.) Citation

Clark, Roger E. Executive VisiCalc for the Apple Computer. National Book Store, 1983.

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