APA (7th ed.) Zitazioa

Jackson, M. H. (2001). Problem frames: Analysing and structuring software development problems. Pearson Education.

Chicago Style (17th ed.) Zitazioa

Jackson, Michael H. Problem Frames: Analysing and Structuring Software Development Problems. Londres: Pearson Education, 2001.

MLA (9th ed.) Zitazioa

Jackson, Michael H. Problem Frames: Analysing and Structuring Software Development Problems. Pearson Education, 2001.