Não informado. (1970). Review of Regional Studies. Southern Regional Science Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Review of Regional Studies. Birmingham, Ala: Southern Regional Science Association, 1970.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Review of Regional Studies. Southern Regional Science Association, 1970.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.