Halsey. (2013). Beginning Windows 8.1 (1.). Apress.
Chicago Style aipamenaHalsey. Beginning Windows 8.1. 1. Apress, 2013.
MLA aipamenaHalsey. Beginning Windows 8.1. 1. Apress, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Halsey. (2013). Beginning Windows 8.1 (1.). Apress.
Chicago Style aipamenaHalsey. Beginning Windows 8.1. 1. Apress, 2013.
MLA aipamenaHalsey. Beginning Windows 8.1. 1. Apress, 2013.