Παραπομπή APA

Paelinck, J. H. P., & Nijkamp, P. (1975). Operational theory and method in regional economics. Farnborough, Hants.: Saxon House.

Παραπομπή Chicago Style

Paelinck, Jean H. P., and Peter Nijkamp. Operational Theory and Method in Regional Economics. Farnborough, Hants.: Saxon House, 1975.

Παραπομπή MLA

Paelinck, Jean H. P., and Peter Nijkamp. Operational Theory and Method in Regional Economics. Farnborough, Hants.: Saxon House, 1975.

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