APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Clark, Roger E. Executive VisiCalc for the IBM Personal Computer. [Manila]: National Book Store, 1983.

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.