Παραπομπή σε μορφή APA (7η εκδ.)

Barkatullah, N. (1999). Pricing, demand analysis and simulation:: An application to a water utility. Dissertation.com.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barkatullah, Nadira. Pricing, Demand Analysis and Simulation:: An Application to a Water Utility. [Χ.τ.]: Dissertation.com, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Barkatullah, Nadira. Pricing, Demand Analysis and Simulation:: An Application to a Water Utility. Dissertation.com, 1999.