APA-viite

O'Regan, G. (2012). A practical approach to software quality. Springer International.

Chicago-tyylinen lähdeviittaus

O'Regan, Gerard. A Practical Approach to Software Quality. New Delhi: Springer International, 2012.

MLA-viite

O'Regan, Gerard. A Practical Approach to Software Quality. Springer International, 2012.