APA aipamena

(2009).  Software & systems requirements engineering: In Practice.  Mc GrawHill.

Chicago Style aipamena

 Software & Systems Requirements Engineering: In Practice.  Mc GrawHill, 2009.

MLA aipamena

 Software & Systems Requirements Engineering: In Practice.  Mc GrawHill, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.