Παραπομπή σε μορφή APA (7η εκδ.)

(1972). Unified approach to development planning analysis and planning: Case studies. United Nations Research Institute for Social Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unified Approach to Development Planning Analysis and Planning: Case Studies. Geneva: United Nations Research Institute for Social Development, 1972.

Παραπομπή σε μορφή MLA (9th εκδ.)

Unified Approach to Development Planning Analysis and Planning: Case Studies. United Nations Research Institute for Social Development, 1972.