Citazione Stile APA (7a Edizione)

Hay, D. C. (2003). Requirements analysis: From business views to Architecture (1a. ed.). Pearson Education.

Citazione stile Chigago Style (17a edizione)

Hay, David C. Requirements Analysis: From Business Views to Architecture. 1a. ed. Upper Saddle River: Pearson Education, 2003.

Citatione MLA (9a ed.)

Hay, David C. Requirements Analysis: From Business Views to Architecture. 1a. ed. Pearson Education, 2003.