Παραπομπή σε μορφή APA (7η εκδ.)

Wilson, B. (2001). Soft systems methology: Conceptual model building and its contribution. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wilson, Brian. Soft Systems Methology: Conceptual Model Building and Its Contribution. Chichester ; New York: Wiley, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wilson, Brian. Soft Systems Methology: Conceptual Model Building and Its Contribution. Wiley, 2001.