Cita APA

Time life. (1990). Time-life books: Understanding computers(vol.12) : software challenge. Lifetime books.

Chicago Edition Citation

Time life. Time-life Books: Understanding Computers(vol.12) : Software Challenge. London: Lifetime books, 1990.

Cita MLA

Time life. Time-life Books: Understanding Computers(vol.12) : Software Challenge. Lifetime books, 1990.