APA-Zitierstil (7. Ausg.)

Leffingwell, D. (2003). Managing software requirements: A use case approach (2. ed., 1. print.). Addison-Wesley.

Chicago-Zitierstil (17. Ausg.)

Leffingwell, Dean. Managing Software Requirements: A Use Case Approach. 2. ed., 1. print. Boston: Addison-Wesley, 2003.

MLA-Zitierstil (9. Ausg.)

Leffingwell, Dean. Managing Software Requirements: A Use Case Approach. 2. ed., 1. print. Addison-Wesley, 2003.