APA ציטוט

Leffingwell, D., & Widrig, D. (2011). Managing Software Requirements: A Use Case Approach, Second Edition. Addison Wesley.

Trích dẫn kiểu Chicago

Leffingwell, Dean, và Don Widrig. Managing Software Requirements: A Use Case Approach, Second Edition. Addison Wesley, 2011.

ציטוט MLA

Leffingwell, Dean, và Don Widrig. Managing Software Requirements: A Use Case Approach, Second Edition. Addison Wesley, 2011.