APA citiranje

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.

MLA citiranje

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

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