Gaya APA

Excel 4 for Windows. (1993). Jakarta: [s.n.].

Gaya Chicago

Excel 4 for Windows. 1. Jakarta: [s.n.], 1993. Text.

Gaya MLA

Excel 4 for Windows. 1. Jakarta: [s.n.], 1993. Text.

Gaya Turabian

Excel 4 for Windows. Jakarta: [s.n.], 1993. Print.