Παραπομπή σε μορφή APA (7η εκδ.)

Steiner, P. O. (1968). On the process of planning. Centre of Planning and Economic Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Steiner, Peter Otto. On the Process of Planning. Athens: Centre of Planning and Economic Research, 1968.

Παραπομπή σε μορφή MLA (8th εκδ.)

Steiner, Peter Otto. On the Process of Planning. Centre of Planning and Economic Research, 1968.