Woodsworth, A., & Williams, J. F. (1993). Managing the economics of owning, leasing, and contracting out information services. Ashgate.
Chicago Style aipamenaWoodsworth, Anne, and James F. Williams. Managing the Economics of Owning, Leasing, and Contracting Out Information Services. Aldershot, Hants, Eng: Ashgate, 1993.
MLA aipamenaWoodsworth, Anne, and James F. Williams. Managing the Economics of Owning, Leasing, and Contracting Out Information Services. Ashgate, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.