APA (7th ed.) Zitazioa
Balchin, P. N., Sykora, L., & Bull, G. H. (1999). Regional policy and planning in Europe. Routledge.
Chicago Style (17th ed.) Zitazioa
Balchin, Paul N., Ludek Sykora, eta Gregory H. Bull. Regional Policy and Planning in Europe. London ; New York: Routledge, 1999.
MLA (9th ed.) Zitazioa
Balchin, Paul N., et al. Regional Policy and Planning in Europe. Routledge, 1999.
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