APA (7th ed.) Zitazioa

ebrary, Inc, & King, W. R. (2009). Planning for information systems. M. E. Sharpe.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, eta William Richard King. Planning for Information Systems. Armonk, N.Y.: M. E. Sharpe, 2009.

MLA (9th ed.) Zitazioa

ebrary, Inc, eta William Richard King. Planning for Information Systems. M. E. Sharpe, 2009.