Cita APA (7th ed.)

PERMANA, B. (1994). Buku latihan lotus 123 spreadsheet for windows. Elex media komputindo.

Cita Chicago (17th ed.)

PERMANA, Budi. Buku Latihan Lotus 123 Spreadsheet for Windows. Jakarta: Elex media komputindo, 1994.

Cita MLA (9th ed.)

PERMANA, Budi. Buku Latihan Lotus 123 Spreadsheet for Windows. Elex media komputindo, 1994.