Alexander, I., & Beus-Dukic, L. (2009). Discovering requirements: How to specify products and services. Wiley.
Chicagoスタイル(17版)引用形式Alexander, Ian, , Ljerka Beus-Dukic. Discovering Requirements: How to Specify Products and Services. Chichester, West Sussex, England: Wiley, 2009.
MLA(9版)引用形式Alexander, Ian, , Ljerka Beus-Dukic. Discovering Requirements: How to Specify Products and Services. Wiley, 2009.
警告: この引用は必ずしも正確ではありません.