APA (7th ed.) Zitazioa

Harris, D. (1994). Systems analysis and design for the small enterprise. Dryden.

Chicago Style (17th ed.) Zitazioa

Harris, David. Systems Analysis and Design for the Small Enterprise. Fort Worth: Dryden, 1994.

MLA (9th ed.) Zitazioa

Harris, David. Systems Analysis and Design for the Small Enterprise. Dryden, 1994.