APA

Castlewitz D. M., . (1983). The VisiCalc program made easy. Berkeley, Calif: Osborne/McGraw-Hill.

Chicago

Castlewitz David M, . 1983. The VisiCalc program made easy. Berkeley, Calif: Osborne/McGraw-Hill.

Harvard

Castlewitz D. M., . (1983). The VisiCalc program made easy. Berkeley, Calif: Osborne/McGraw-Hill.

MLA

Castlewitz David M, . The VisiCalc program made easy. Berkeley, Calif: Osborne/McGraw-Hill. 1983.