Dyfyniad APA

Brown, A., & Burrows, E. (1977). Regional economic problems. George Allen &Unwin.

Dyfyniad Arddull Chicago

Brown, A.J, and E.M Burrows. Regional Economic Problems. London: George Allen &Unwin, 1977.

Dyfyniad MLA

Brown, A.J, and E.M Burrows. Regional Economic Problems. George Allen &Unwin, 1977.

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