Ayres, R. (1999). The essence of professional issues in computing. Prentice Hall.
Citazione stile Chigago Style (17a edizione)Ayres, Robert. The Essence of Professional Issues in Computing. London: Prentice Hall, 1999.
Citatione MLA (9a ed.)Ayres, Robert. The Essence of Professional Issues in Computing. Prentice Hall, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.