APA aipamena

Leffingwell, D. (2000). Managing software requirements. Addison-Wesley.

Chicago Style aipamena

Leffingwell, Dean. Managing Software Requirements. Addison-Wesley, 2000.

MLA aipamena

Leffingwell, Dean. Managing Software Requirements. Addison-Wesley, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.